chore(docs): Add icons to templates, fix grammar in template

* chore(docs): adds icons to templates 🔧

* chore(docs): proper grammar in template

Author: krizzu

.github/ISSUE_TEMPLATE/01_bug_report.md

@@ -1,5 +1,5 @@
 ---
-name: ':bug: Bug report'
+name: '🐛 Bug report'
 about: Something not working as expected
 label: 'Bug'
 ---

.github/ISSUE_TEMPLATE/02_feature_request.md

@@ -1,5 +1,5 @@
 ---
-name: ':wrench: Feature request'
+name: '🔧 Feature request'
 about: New functionality for Async Storage
 label: 'Enhancement'
 ---

.github/ISSUE_TEMPLATE/03_question_discussion.md

@@ -1,5 +1,5 @@
 ---
-name: ':speaking_head: Have a question / start a discussion'
+name: '🗣 Have a question / start a discussion'
 about: You want to ask or discuss something
 label: 'Question/Discussion'
 ---

.github/PULL_REQUEST_TEMPLATE.md

@@ -8,4 +8,4 @@ Help us understand more of your work - you can explain what you did, post a link
 Test Plan:
 ----------
 
-<!-- Help us test your work (**REQUIRED**). If you changed code, please provide us with instruction of how we can try it out ourselves, so we can confirm it's working. You can also post screenshots/gifts.  -->
+<!-- Help us test your work (**REQUIRED**). If you changed the code, please provide us with instructions of how we can try it out ourselves, so we can confirm it's working. You can also post screenshots/gifts.  -->