docs: add navdeepsingh as a contributor (#3926)

* docs: update README.md [skip ci]

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

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

.all-contributorsrc

@@ -334,6 +334,15 @@
       "contributions": [
         "code"
       ]
+    },
+    {
+      "login": "navdeepsingh",
+      "name": "Navdeep Singh",
+      "avatar_url": "https://avatars.githubusercontent.com/u/2968787?v=4",
+      "profile": "http://www.navdeepsingh.in/",
+      "contributions": [
+        "code"
+      ]
     }
   ],
   "contributorsPerLine": 7,

README.md

@@ -146,6 +146,9 @@ The Appsmith platform is available under the [Apache License 2.0](https://www.ap
     <td align="center"><a href="http://dwayne.io"><img src="https://avatars.githubusercontent.com/u/347097?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Dwayne Forde</b></sub></a><br /><a href="https://github.com/appsmithorg/appsmith/commits?author=osis" title="Code">💻</a> <a href="https://github.com/appsmithorg/appsmith/commits?author=osis" title="Tests">⚠️</a></td>
     <td align="center"><a href="https://github.com/monarch0111"><img src="https://avatars.githubusercontent.com/u/2965013?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Abhishek</b></sub></a><br /><a href="https://github.com/appsmithorg/appsmith/commits?author=monarch0111" title="Code">💻</a></td>
   </tr>
+  <tr>
+    <td align="center"><a href="http://www.navdeepsingh.in/"><img src="https://avatars.githubusercontent.com/u/2968787?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Navdeep Singh</b></sub></a><br /><a href="https://github.com/appsmithorg/appsmith/commits?author=navdeepsingh" title="Code">💻</a></td>
+  </tr>
 </table>
 
 <!-- markdownlint-restore -->