docs: add Avi98 as a contributor (#140)

* docs: update README.md

* docs: update .all-contributorsrc

Author: allcontributors[bot]

.all-contributorsrc

@@ -50,7 +50,8 @@
       "avatar_url": "https://avatars1.githubusercontent.com/u/26133749?v=4",
       "profile": "https://github.com/Avi98",
       "contributions": [
-        "review"
+        "review",
+        "doc"
       ]
     },
     {

README.md

@@ -1020,7 +1020,7 @@ Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/d
     <td align="center"><a href="https://medium.com/@ghengeveld"><img src="https://avatars1.githubusercontent.com/u/321738?v=4" width="100px;" alt="Gert Hengeveld"/><br /><sub><b>Gert Hengeveld</b></sub></a><br /><a href="https://github.com/async-library/react-async/commits?author=ghengeveld" title="Code">💻</a> <a href="#review-ghengeveld" title="Reviewed Pull Requests">👀</a> <a href="#question-ghengeveld" title="Answering Questions">💬</a> <a href="#blog-ghengeveld" title="Blogposts">📝</a> <a href="https://github.com/async-library/react-async/commits?author=ghengeveld" title="Documentation">📖</a> <a href="#design-ghengeveld" title="Design">🎨</a> <a href="#example-ghengeveld" title="Examples">💡</a> <a href="#financial-ghengeveld" title="Financial">💵</a> <a href="#infra-ghengeveld" title="Infrastructure (Hosting, Build-Tools, etc)">🚇</a> <a href="#maintenance-ghengeveld" title="Maintenance">🚧</a></td>
     <td align="center"><a href="https://github.com/Khartir"><img src="https://avatars3.githubusercontent.com/u/5592420?v=4" width="100px;" alt="Khartir"/><br /><sub><b>Khartir</b></sub></a><br /><a href="https://github.com/async-library/react-async/commits?author=Khartir" title="Code">💻</a> <a href="#platform-Khartir" title="Packaging/porting to new platform">📦</a></td>
     <td align="center"><a href="https://twitter.com/phry"><img src="https://avatars1.githubusercontent.com/u/4282439?v=4" width="100px;" alt="Lenz Weber"/><br /><sub><b>Lenz Weber</b></sub></a><br /><a href="https://github.com/async-library/react-async/commits?author=phryneas" title="Code">💻</a> <a href="#platform-phryneas" title="Packaging/porting to new platform">📦</a> <a href="#ideas-phryneas" title="Ideas, Planning, & Feedback">🤔</a></td>
-    <td align="center"><a href="https://github.com/Avi98"><img src="https://avatars1.githubusercontent.com/u/26133749?v=4" width="100px;" alt="Avinash"/><br /><sub><b>Avinash</b></sub></a><br /><a href="#review-Avi98" title="Reviewed Pull Requests">👀</a></td>
+    <td align="center"><a href="https://github.com/Avi98"><img src="https://avatars1.githubusercontent.com/u/26133749?v=4" width="100px;" alt="Avinash"/><br /><sub><b>Avinash</b></sub></a><br /><a href="#review-Avi98" title="Reviewed Pull Requests">👀</a> <a href="https://github.com/async-library/react-async/commits?author=Avi98" title="Documentation">📖</a></td>
     <td align="center"><a href="http://www.fredkschott.com"><img src="https://avatars1.githubusercontent.com/u/622227?v=4" width="100px;" alt="Fred K. Schott"/><br /><sub><b>Fred K. Schott</b></sub></a><br /><a href="#tool-FredKSchott" title="Tools">🔧</a></td>
     <td align="center"><a href="https://bycedric.com"><img src="https://avatars2.githubusercontent.com/u/1203991?v=4" width="100px;" alt="Cedric van Putten"/><br /><sub><b>Cedric van Putten</b></sub></a><br /><a href="https://github.com/async-library/react-async/commits?author=byCedric" title="Code">💻</a></td>
     <td align="center"><a href="https://github.com/tomshane"><img src="https://avatars1.githubusercontent.com/u/11005356?v=4" width="100px;" alt="Tom Shane"/><br /><sub><b>Tom Shane</b></sub></a><br /><a href="#review-tomshane" title="Reviewed Pull Requests">👀</a></td>