docs: add NickleDave as a contributor for tutorial (#132)

* docs: update README.md [skip ci]

* docs: update .all-contributorsrc [skip ci]

---------

Co-authored-by: allcontributors[bot] <46447321+allcontributors[bot]@users.noreply.github.com>

Author: allcontributors[bot]

.all-contributorsrc

@@ -23,7 +23,8 @@
       "profile": "https://nicholdav.info/",
       "contributions": [
         "doc",
-        "design"
+        "design",
+        "tutorial"
       ]
     },
     {

README.md

@@ -78,7 +78,7 @@ Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/d
   <tbody>
     <tr>
       <td align="center" valign="top" width="14.28%"><a href="https://fosstodon.org/@eriknw"><img src="https://avatars.githubusercontent.com/u/2058401?v=4?s=100" width="100px;" alt="Erik Welch"/><br /><sub><b>Erik Welch</b></sub></a><br /><a href="https://github.com/pyOpenSci/python-package-guide/commits?author=eriknw" title="Documentation">📖</a> <a href="#design-eriknw" title="Design">🎨</a></td>
-      <td align="center" valign="top" width="14.28%"><a href="https://nicholdav.info/"><img src="https://avatars.githubusercontent.com/u/11934090?v=4?s=100" width="100px;" alt="David Nicholson"/><br /><sub><b>David Nicholson</b></sub></a><br /><a href="https://github.com/pyOpenSci/python-package-guide/commits?author=NickleDave" title="Documentation">📖</a> <a href="#design-NickleDave" title="Design">🎨</a></td>
+      <td align="center" valign="top" width="14.28%"><a href="https://nicholdav.info/"><img src="https://avatars.githubusercontent.com/u/11934090?v=4?s=100" width="100px;" alt="David Nicholson"/><br /><sub><b>David Nicholson</b></sub></a><br /><a href="https://github.com/pyOpenSci/python-package-guide/commits?author=NickleDave" title="Documentation">📖</a> <a href="#design-NickleDave" title="Design">🎨</a> <a href="#tutorial-NickleDave" title="Tutorials">✅</a></td>
       <td align="center" valign="top" width="14.28%"><a href="http://www.leahwasser.com"><img src="https://avatars.githubusercontent.com/u/7649194?v=4?s=100" width="100px;" alt="Leah Wasser"/><br /><sub><b>Leah Wasser</b></sub></a><br /><a href="https://github.com/pyOpenSci/python-package-guide/commits?author=lwasser" title="Documentation">📖</a> <a href="#design-lwasser" title="Design">🎨</a></td>
       <td align="center" valign="top" width="14.28%"><a href="http://arianesasso.me"><img src="https://avatars.githubusercontent.com/u/3659681?v=4?s=100" width="100px;" alt="Ariane Sasso"/><br /><sub><b>Ariane Sasso</b></sub></a><br /><a href="https://github.com/pyOpenSci/python-package-guide/commits?author=arianesasso" title="Documentation">📖</a> <a href="#design-arianesasso" title="Design">🎨</a> <a href="https://github.com/pyOpenSci/python-package-guide/commits?author=arianesasso" title="Code">💻</a> <a href="https://github.com/pyOpenSci/python-package-guide/pulls?q=is%3Apr+reviewed-by%3Aarianesasso" title="Reviewed Pull Requests">👀</a></td>
       <td align="center" valign="top" width="14.28%"><a href="http://ml-gis-service.com"><img src="https://avatars.githubusercontent.com/u/31246246?v=4?s=100" width="100px;" alt="Simon"/><br /><sub><b>Simon</b></sub></a><br /><a href="https://github.com/pyOpenSci/python-package-guide/commits?author=SimonMolinsky" title="Documentation">📖</a> <a href="#design-SimonMolinsky" title="Design">🎨</a></td>