docs: add guill as a contributor for code (#385)

* docs: update README.md [skip ci]

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

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

---------

Co-authored-by: allcontributors[bot] <46447321+allcontributors[bot]@users.noreply.github.com>
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

.all-contributorsrc

@@ -214,6 +214,13 @@
       "avatar_url": "https://avatars.githubusercontent.com/u/41784264?v=4",
       "profile": "https://nvimer.org",
       "contributions": ["doc"]
+    },
+    {
+      "login": "guill",
+      "name": "guill",
+      "avatar_url": "https://avatars.githubusercontent.com/u/3157454?v=4",
+      "profile": "https://github.com/guill",
+      "contributions": ["code"]
     }
   ],
   "contributorsPerLine": 7,

README.md

@@ -6,7 +6,7 @@
 
 <!-- ALL-CONTRIBUTORS-BADGE:START - Do not remove or modify this section -->
 
-[![All Contributors](https://img.shields.io/badge/all_contributors-30-orange.svg?style=flat-square)](#contributors-)
+[![All Contributors](https://img.shields.io/badge/all_contributors-31-orange.svg?style=flat-square)](#contributors-)
 
 <!-- ALL-CONTRIBUTORS-BADGE:END -->
 
@@ -595,6 +595,7 @@ Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/d
     <tr>
       <td align="center" valign="top" width="14.28%"><a href="http://dimalip.in"><img src="https://avatars.githubusercontent.com/u/6877858?v=4?s=100" width="100px;" alt="Dmitrii Lipin"/><br /><sub><b>Dmitrii Lipin</b></sub></a><br /><a href="https://github.com/CopilotC-Nvim/CopilotChat.nvim/commits?author=festeh" title="Code">💻</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://nvimer.org"><img src="https://avatars.githubusercontent.com/u/41784264?v=4?s=100" width="100px;" alt="jinzhongjia"/><br /><sub><b>jinzhongjia</b></sub></a><br /><a href="https://github.com/CopilotC-Nvim/CopilotChat.nvim/commits?author=jinzhongjia" title="Documentation">📖</a></td>
+      <td align="center" valign="top" width="14.28%"><a href="https://github.com/guill"><img src="https://avatars.githubusercontent.com/u/3157454?v=4?s=100" width="100px;" alt="guill"/><br /><sub><b>guill</b></sub></a><br /><a href="https://github.com/CopilotC-Nvim/CopilotChat.nvim/commits?author=guill" title="Code">💻</a></td>
     </tr>
   </tbody>
 </table>