docs: add rkmangal23 as a contributor for code, doc, and 4 more (#407)

* docs: update README.md

* docs: update .all-contributorsrc

---------

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

Author: allcontributors[bot]

.all-contributorsrc

@@ -168,6 +168,20 @@
         "content",
         "doc"
       ]
+    },
+    {
+      "login": "rkmangal23",
+      "name": "Rohan Kurian",
+      "avatar_url": "https://avatars.githubusercontent.com/u/124988810?v=4",
+      "profile": "https://github.com/rkmangal23",
+      "contributions": [
+        "code",
+        "doc",
+        "ideas",
+        "tool",
+        "test",
+        "infra"
+      ]
     }
   ]
 }

README.md

@@ -136,6 +136,9 @@ Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/d
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/mohammedfaisal"><img src="https://avatars.githubusercontent.com/u/3139595?v=4?s=100" width="100px;" alt="Mohammed Faisal"/><br /><sub><b>Mohammed Faisal</b></sub></a><br /><a href="#code-mohammedfaisal" title="Code">💻</a> <a href="#test-mohammedfaisal" title="Tests">⚠️</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/ArpanKrChakraborty"><img src="https://avatars.githubusercontent.com/u/60729468?v=4?s=100" width="100px;" alt="Arpan Chakraborty"/><br /><sub><b>Arpan Chakraborty</b></sub></a><br /><a href="#code-ArpanKrChakraborty" title="Code">💻</a> <a href="#test-ArpanKrChakraborty" title="Tests">⚠️</a> <a href="#content-ArpanKrChakraborty" title="Content">🖋</a> <a href="#doc-ArpanKrChakraborty" title="Documentation">📖</a></td>
     </tr>
+    <tr>
+      <td align="center" valign="top" width="14.28%"><a href="https://github.com/rkmangal23"><img src="https://avatars.githubusercontent.com/u/124988810?v=4?s=100" width="100px;" alt="Rohan Kurian"/><br /><sub><b>Rohan Kurian</b></sub></a><br /><a href="#code-rkmangal23" title="Code">💻</a> <a href="#doc-rkmangal23" title="Documentation">📖</a> <a href="#ideas-rkmangal23" title="Ideas, Planning, & Feedback">🤔</a> <a href="#tool-rkmangal23" title="Tools">🔧</a> <a href="#test-rkmangal23" title="Tests">⚠️</a> <a href="#infra-rkmangal23" title="Infrastructure (Hosting, Build-Tools, etc)">🚇</a></td>
+    </tr>
   </tbody>
 </table>