docs: add @jkhush04 as a contributor

Author: jkhush04

.all-contributorsrc

@@ -5006,6 +5006,16 @@
       "contributions": [
         "question"
       ]
+    },
+    {
+      "login": "jkhush04",
+      "name": "Khushi Jain",
+      "avatar_url": "https://avatars.githubusercontent.com/u/185188671?v=4",
+      "profile": "https://github.com/jkhush04",
+      "contributions": [
+        "question",
+        "bug"
+      ]
     }
   ],
   "contributorsPerLine": 7,

README.md

@@ -25,7 +25,7 @@ All contributors are required to abide by our [Code of Conduct](https://github.c
 ## All Contributors
 
 <!-- ALL-CONTRIBUTORS-BADGE:START - Do not remove or modify this section -->
-[![All Contributors](https://img.shields.io/badge/all_contributors-353-orange.svg?style=flat-square)](#contributors-)
+[![All Contributors](https://img.shields.io/badge/all_contributors-354-orange.svg?style=flat-square)](#contributors-)
 <!-- ALL-CONTRIBUTORS-BADGE:END -->
 
 ## ✨ Contributors
@@ -491,6 +491,7 @@ 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/davidpinacus"><img src="https://avatars.githubusercontent.com/u/235371191?v=4?s=100" width="100px;" alt="David Pinacus"/><br /><sub><b>David Pinacus</b></sub></a><br /><a href="#question-davidpinacus" title="Answering Questions">💬</a> <a href="https://github.com/OpenSource-Community/guestbook/issues?q=author%3Adavidpinacus" title="Bug reports">🐛</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/Rudra-RNC"><img src="https://avatars.githubusercontent.com/u/184390233?v=4?s=100" width="100px;" alt="Rudra Kumar"/><br /><sub><b>Rudra Kumar</b></sub></a><br /><a href="#question-Rudra-RNC" title="Answering Questions">💬</a> <a href="https://github.com/OpenSource-Community/guestbook/issues?q=author%3ARudra-RNC" title="Bug reports">🐛</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/khushi"><img src="https://avatars.githubusercontent.com/u/363548?v=4?s=100" width="100px;" alt="khushi"/><br /><sub><b>khushi</b></sub></a><br /><a href="#question-khushi" title="Answering Questions">💬</a></td>
+      <td align="center" valign="top" width="14.28%"><a href="https://github.com/jkhush04"><img src="https://avatars.githubusercontent.com/u/185188671?v=4?s=100" width="100px;" alt="Khushi Jain"/><br /><sub><b>Khushi Jain</b></sub></a><br /><a href="#question-jkhush04" title="Answering Questions">💬</a> <a href="https://github.com/OpenSource-Community/guestbook/issues?q=author%3Ajkhush04" title="Bug reports">🐛</a></td>
     </tr>
   </tbody>
   <tfoot>