docs: what is react testing library (#176)

* updated the README to include a video explaining what is react-testing-libary from @stolinski

* added myself to all-contributors

* updated the video link to open on a new tab and added a small paragaph

* reverted link not to open in new tab for github doesn't like it

* added a line break

* added a line break

* I have only contributed on documentation atm

Author: joeynimu

.all-contributorsrc

@@ -493,6 +493,16 @@
       "contributions": [
         "doc"
       ]
+    },
+    {
+      "login": "joeynimu",
+      "name": "Joe Ng'ethe",
+      "avatar_url": "https://avatars0.githubusercontent.com/u/1195863?v=4",
+      "profile": "https://github.com/joeynimu",
+      "contributions": [
+        "code",
+        "doc"
+      ]
     }
   ]
 }

README.md

@@ -15,7 +15,7 @@
 [![version][version-badge]][package] [![downloads][downloads-badge]][npmtrends]
 [![MIT License][license-badge]][license]
 
-[![All Contributors](https://img.shields.io/badge/all_contributors-50-orange.svg?style=flat-square)](#contributors)
+[![All Contributors](https://img.shields.io/badge/all_contributors-51-orange.svg?style=flat-square)](#contributors)
 [![PRs Welcome][prs-badge]][prs] [![Code of Conduct][coc-badge]][coc]
 [![Join the community on Spectrum][spectrum-badge]][spectrum]
 
@@ -73,6 +73,11 @@ facilitate testing implementation details). Read more about this in
 > [`dom-testing-library`](https://github.com/kentcdodds/dom-testing-library)
 > which is where most of the logic behind the queries is.
 
+## What is react-testing-libary?
+
+Have a look at the video below for an explanation. <br/><br/>
+[![what is react testing libary](https://img.youtube.com/vi/JKOwJUM4_RM/0.jpg)](https://youtu.be/JKOwJUM4_RM 'what is react testing library')
+
 ## Example
 
 ```javascript
@@ -795,7 +800,7 @@ Some included are:
 
 - [A sample repo using react-testing-library to test a Relay Modern GraphQL app](https://github.com/zth/relay-modern-flow-jest-example)
 
-- [Creating Readable Tests Using React Testing Library](https://medium.com/flatiron-labs/creating-readable-tests-using-react-testing-library-2bd03c49c284) 
+- [Creating Readable Tests Using React Testing Library](https://medium.com/flatiron-labs/creating-readable-tests-using-react-testing-library-2bd03c49c284)
   by [Lukeghenco](https://github.com/Lukeghenco)
 
 Feel free to contribute more!
@@ -1135,7 +1140,7 @@ Thanks goes to these people ([emoji key][emojis]):
 | [<img src="https://avatars2.githubusercontent.com/u/10452163?v=4" width="100px;"/><br /><sub><b>Richard Kotze (mobile)</b></sub>](http://www.richardkotze.com)<br />[📖](https://github.com/kentcdodds/react-testing-library/commits?author=rkotze "Documentation") | [<img src="https://avatars2.githubusercontent.com/u/10819833?v=4" width="100px;"/><br /><sub><b>Brahian E. Soto Mercedes</b></sub>](https://github.com/sotobuild)<br />[📖](https://github.com/kentcdodds/react-testing-library/commits?author=sotobuild "Documentation") | [<img src="https://avatars2.githubusercontent.com/u/7151559?v=4" width="100px;"/><br /><sub><b>Benoit de La Forest</b></sub>](https://github.com/bdelaforest)<br />[📖](https://github.com/kentcdodds/react-testing-library/commits?author=bdelaforest "Documentation") | [<img src="https://avatars3.githubusercontent.com/u/6624197?v=4" width="100px;"/><br /><sub><b>Salah</b></sub>](https://github.com/thesalah)<br />[💻](https://github.com/kentcdodds/react-testing-library/commits?author=thesalah "Code") [⚠️](https://github.com/kentcdodds/react-testing-library/commits?author=thesalah "Tests") | [<img src="https://avatars2.githubusercontent.com/u/370054?v=4" width="100px;"/><br /><sub><b>Adam Gordon</b></sub>](http://gordonizer.com)<br />[🐛](https://github.com/kentcdodds/react-testing-library/issues?q=author%3Aicfantv "Bug reports") [💻](https://github.com/kentcdodds/react-testing-library/commits?author=icfantv "Code") | [<img src="https://avatars2.githubusercontent.com/u/471278?v=4" width="100px;"/><br /><sub><b>Matija Marohnić</b></sub>](https://silvenon.com)<br />[📖](https://github.com/kentcdodds/react-testing-library/commits?author=silvenon "Documentation") | [<img src="https://avatars3.githubusercontent.com/u/8015514?v=4" width="100px;"/><br /><sub><b>Justice Mba</b></sub>](https://github.com/Dajust)<br />[📖](https://github.com/kentcdodds/react-testing-library/commits?author=Dajust "Documentation") |
 | [<img src="https://avatars2.githubusercontent.com/u/5286559?v=4" width="100px;"/><br /><sub><b>Mark Pollmann</b></sub>](https://markpollmann.com/)<br />[📖](https://github.com/kentcdodds/react-testing-library/commits?author=MarkPollmann "Documentation") | [<img src="https://avatars1.githubusercontent.com/u/1213123?v=4" width="100px;"/><br /><sub><b>Ehtesham Kafeel</b></sub>](https://github.com/ehteshamkafeel)<br />[💻](https://github.com/kentcdodds/react-testing-library/commits?author=ehteshamkafeel "Code") [📖](https://github.com/kentcdodds/react-testing-library/commits?author=ehteshamkafeel "Documentation") | [<img src="https://avatars2.githubusercontent.com/u/1493505?v=4" width="100px;"/><br /><sub><b>Julio Pavón</b></sub>](http://jpavon.com)<br />[💻](https://github.com/kentcdodds/react-testing-library/commits?author=jpavon "Code") | [<img src="https://avatars3.githubusercontent.com/u/1765048?v=4" width="100px;"/><br /><sub><b>Duncan L</b></sub>](http://www.duncanleung.com/)<br />[📖](https://github.com/kentcdodds/react-testing-library/commits?author=duncanleung "Documentation") [💡](#example-duncanleung "Examples") | [<img src="https://avatars1.githubusercontent.com/u/700778?v=4" width="100px;"/><br /><sub><b>Tiago Almeida</b></sub>](https://www.linkedin.com/in/tyagow/?locale=en_US)<br />[📖](https://github.com/kentcdodds/react-testing-library/commits?author=tyagow "Documentation") | [<img src="https://avatars2.githubusercontent.com/u/4982001?v=4" width="100px;"/><br /><sub><b>Robert Smith</b></sub>](http://rbrtsmith.com/)<br />[🐛](https://github.com/kentcdodds/react-testing-library/issues?q=author%3Arbrtsmith "Bug reports") | [<img src="https://avatars0.githubusercontent.com/u/1700355?v=4" width="100px;"/><br /><sub><b>Zach Green</b></sub>](https://offbyone.tech)<br />[📖](https://github.com/kentcdodds/react-testing-library/commits?author=zgreen "Documentation") |
 | [<img src="https://avatars3.githubusercontent.com/u/881986?v=4" width="100px;"/><br /><sub><b>dadamssg</b></sub>](https://github.com/dadamssg)<br />[📖](https://github.com/kentcdodds/react-testing-library/commits?author=dadamssg "Documentation") | [<img src="https://avatars0.githubusercontent.com/u/8734097?v=4" width="100px;"/><br /><sub><b>Yazan Aabed</b></sub>](https://www.yaabed.com/)<br />[📝](#blog-YazanAabeed "Blogposts") | [<img src="https://avatars0.githubusercontent.com/u/556258?v=4" width="100px;"/><br /><sub><b>Tim</b></sub>](https://github.com/timbonicus)<br />[🐛](https://github.com/kentcdodds/react-testing-library/issues?q=author%3Atimbonicus "Bug reports") [💻](https://github.com/kentcdodds/react-testing-library/commits?author=timbonicus "Code") [📖](https://github.com/kentcdodds/react-testing-library/commits?author=timbonicus "Documentation") [⚠️](https://github.com/kentcdodds/react-testing-library/commits?author=timbonicus "Tests") | [<img src="https://avatars3.githubusercontent.com/u/6682655?v=4" width="100px;"/><br /><sub><b>Divyanshu Maithani</b></sub>](http://divyanshu.xyz)<br />[✅](#tutorial-divyanshu013 "Tutorials") [📹](#video-divyanshu013 "Videos") | [<img src="https://avatars2.githubusercontent.com/u/9116042?v=4" width="100px;"/><br /><sub><b>Deepak Grover</b></sub>](https://www.linkedin.com/in/metagrover)<br />[✅](#tutorial-metagrover "Tutorials") [📹](#video-metagrover "Videos") | [<img src="https://avatars0.githubusercontent.com/u/16276358?v=4" width="100px;"/><br /><sub><b>Eyal Cohen</b></sub>](https://github.com/eyalcohen4)<br />[📖](https://github.com/kentcdodds/react-testing-library/commits?author=eyalcohen4 "Documentation") | [<img src="https://avatars3.githubusercontent.com/u/7452681?v=4" width="100px;"/><br /><sub><b>Peter Makowski</b></sub>](https://github.com/petermakowski)<br />[📖](https://github.com/kentcdodds/react-testing-library/commits?author=petermakowski "Documentation") |
-| [<img src="https://avatars2.githubusercontent.com/u/20361668?v=4" width="100px;"/><br /><sub><b>Michiel Nuyts</b></sub>](https://github.com/Michielnuyts)<br />[📖](https://github.com/kentcdodds/react-testing-library/commits?author=Michielnuyts "Documentation") |
+| [<img src="https://avatars2.githubusercontent.com/u/20361668?v=4" width="100px;"/><br /><sub><b>Michiel Nuyts</b></sub>](https://github.com/Michielnuyts)<br />[📖](https://github.com/kentcdodds/react-testing-library/commits?author=Michielnuyts "Documentation") | [<img src="https://avatars0.githubusercontent.com/u/1195863?v=4" width="100px;"/><br /><sub><b>Joe Ng'ethe</b></sub>](https://github.com/joeynimu)<br />[📖](https://github.com/kentcdodds/react-testing-library/commits?author=joeynimu "Documentation") |
 
 <!-- ALL-CONTRIBUTORS-LIST:END -->