docs: add sasirura as a contributor for doc (#704)

* docs: update CONTRIBUTORS.md [skip ci]

* 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

@@ -232,6 +232,15 @@
       "contributions": [
         "doc"
       ]
+    },
+    {
+      "login": "sasirura",
+      "name": "Sasiru Ravihansa",
+      "avatar_url": "https://avatars.githubusercontent.com/u/42542164?v=4",
+      "profile": "https://github.com/sasirura",
+      "contributions": [
+        "doc"
+      ]
     }
   ],
   "contributorsPerLine": 7,

CONTRIBUTORS.md

@@ -35,6 +35,7 @@
     <tr>
       <td align="center" valign="top" width="14.28%"><a href="https://tammergard.se"><img src="https://avatars.githubusercontent.com/u/44197016?v=4?s=100" width="100px;" alt="Filip Tammergård"/><br /><sub><b>Filip Tammergård</b></sub></a><br /><a href="https://github.com/typescript-cheatsheets/react/commits?author=filiptammergard" title="Documentation">📖</a> <a href="https://github.com/typescript-cheatsheets/react/commits?author=filiptammergard" title="Code">💻</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://englishbyte.com"><img src="https://avatars.githubusercontent.com/u/3806031?v=4?s=100" width="100px;" alt="Joe Previte"/><br /><sub><b>Joe Previte</b></sub></a><br /><a href="https://github.com/typescript-cheatsheets/react/commits?author=jsjoeio" title="Documentation">📖</a></td>
+      <td align="center" valign="top" width="14.28%"><a href="https://github.com/sasirura"><img src="https://avatars.githubusercontent.com/u/42542164?v=4?s=100" width="100px;" alt="Sasiru Ravihansa"/><br /><sub><b>Sasiru Ravihansa</b></sub></a><br /><a href="https://github.com/typescript-cheatsheets/react/commits?author=sasirura" title="Documentation">📖</a></td>
     </tr>
   </tbody>
 </table>