docs: add KingKeithC as a contributor for code, and test (#1473)

* docs: update CONTRIBUTORS.md

* docs: update .all-contributorsrc

---------

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

.all-contributorsrc

@@ -1108,6 +1108,16 @@
         "code",
         "ideas"
       ]
+    },
+    {
+      "login": "KingKeithC",
+      "name": "Keith",
+      "avatar_url": "https://avatars.githubusercontent.com/u/23621671?v=4",
+      "profile": "https://github.com/KingKeithC",
+      "contributions": [
+        "code",
+        "test"
+      ]
     }
   ],
   "contributorsPerLine": 7,

CONTRIBUTORS.md

@@ -156,6 +156,7 @@
       <td align="center" valign="top" width="14.28%"><a href="https://blog.lucid.net.au"><img src="https://avatars.githubusercontent.com/u/1295960?v=4?s=100" width="100px;" alt="Jason Lingohr"/><br /><sub><b>Jason Lingohr</b></sub></a><br /><a href="https://github.com/bpg/terraform-provider-proxmox/commits?author=lingfish" title="Documentation">📖</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/simonebenati"><img src="https://avatars.githubusercontent.com/u/102557087?v=4?s=100" width="100px;" alt="Simone Benati"/><br /><sub><b>Simone Benati</b></sub></a><br /><a href="https://github.com/bpg/terraform-provider-proxmox/issues?q=author%3Asimonebenati" title="Bug reports">🐛</a> <a href="https://github.com/bpg/terraform-provider-proxmox/commits?author=simonebenati" title="Tests">⚠️</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/konstantin-kornienko"><img src="https://avatars.githubusercontent.com/u/50887992?v=4?s=100" width="100px;" alt="Konstantin Kornienko"/><br /><sub><b>Konstantin Kornienko</b></sub></a><br /><a href="https://github.com/bpg/terraform-provider-proxmox/commits?author=konstantin-kornienko" title="Code">💻</a> <a href="#ideas-konstantin-kornienko" title="Ideas, Planning, & Feedback">🤔</a></td>
+      <td align="center" valign="top" width="14.28%"><a href="https://github.com/KingKeithC"><img src="https://avatars.githubusercontent.com/u/23621671?v=4?s=100" width="100px;" alt="Keith"/><br /><sub><b>Keith</b></sub></a><br /><a href="https://github.com/bpg/terraform-provider-proxmox/commits?author=KingKeithC" title="Code">💻</a> <a href="https://github.com/bpg/terraform-provider-proxmox/commits?author=KingKeithC" title="Tests">⚠️</a></td>
     </tr>
   </tbody>
   <tfoot>