docs: add rubiesonthesky as a contributor for code (#1473)

Adds @rubiesonthesky as a contributor for code.

This was requested by JoshuaKGoldberg [in this
comment](#1462 (comment))

---------

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

.all-contributorsrc

@@ -441,7 +441,8 @@
       "avatar_url": "https://avatars.githubusercontent.com/u/2591240?v=4",
       "profile": "https://github.com/rubiesonthesky",
       "contributions": [
-        "ideas"
+        "ideas",
+        "code"
       ]
     }
   ],

README.md

@@ -124,7 +124,7 @@ Thanks! 💖
     <tr>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/lcforbes"><img src="https://avatars.githubusercontent.com/u/42080532?v=4?s=100" width="100px;" alt="lcforbes"/><br /><sub><b>lcforbes</b></sub></a><br /><a href="https://github.com/JoshuaKGoldberg/create-typescript-app/issues?q=author%3Alcforbes" title="Bug reports">🐛</a></td>
       <td align="center" valign="top" width="14.28%"><a href="http://nandertga.ddns.net"><img src="https://avatars.githubusercontent.com/u/65074195?v=4?s=100" width="100px;" alt="nandertga"/><br /><sub><b>nandertga</b></sub></a><br /><a href="https://github.com/JoshuaKGoldberg/create-typescript-app/commits?author=nandertga" title="Code">💻</a></td>
-      <td align="center" valign="top" width="14.28%"><a href="https://github.com/rubiesonthesky"><img src="https://avatars.githubusercontent.com/u/2591240?v=4?s=100" width="100px;" alt="rubiesonthesky"/><br /><sub><b>rubiesonthesky</b></sub></a><br /><a href="#ideas-rubiesonthesky" title="Ideas, Planning, & Feedback">🤔</a></td>
+      <td align="center" valign="top" width="14.28%"><a href="https://github.com/rubiesonthesky"><img src="https://avatars.githubusercontent.com/u/2591240?v=4?s=100" width="100px;" alt="rubiesonthesky"/><br /><sub><b>rubiesonthesky</b></sub></a><br /><a href="#ideas-rubiesonthesky" title="Ideas, Planning, & Feedback">🤔</a> <a href="https://github.com/JoshuaKGoldberg/create-typescript-app/commits?author=rubiesonthesky" title="Code">💻</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/TAKANOME-DEV"><img src="https://avatars.githubusercontent.com/u/79809121?v=4?s=100" width="100px;" alt="takanomedev"/><br /><sub><b>takanomedev</b></sub></a><br /><a href="https://github.com/JoshuaKGoldberg/create-typescript-app/commits?author=TAKANOME-DEV" title="Code">💻</a></td>
     </tr>
   </tbody>