docs: add GarrettConway as a contributor for doc (#73)

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

.all-contributorsrc

@@ -36,7 +36,8 @@
       "profile": "https://github.com/GarrettConway",
       "contributions": [
         "code",
-        "bug"
+        "bug",
+        "doc"
       ]
     },
     {

README.md

@@ -187,7 +187,7 @@ Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/d
   <tbody>
     <tr>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/34j"><img src="https://avatars.githubusercontent.com/u/55338215?v=4?s=80" width="80px;" alt="34j"/><br /><sub><b>34j</b></sub></a><br /><a href="https://github.com/34j/so-vits-svc-fork/commits?author=34j" title="Code">💻</a> <a href="#ideas-34j" title="Ideas, Planning, & Feedback">🤔</a> <a href="https://github.com/34j/so-vits-svc-fork/commits?author=34j" title="Documentation">📖</a> <a href="#example-34j" title="Examples">💡</a> <a href="#infra-34j" title="Infrastructure (Hosting, Build-Tools, etc)">🚇</a> <a href="#maintenance-34j" title="Maintenance">🚧</a> <a href="https://github.com/34j/so-vits-svc-fork/pulls?q=is%3Apr+reviewed-by%3A34j" title="Reviewed Pull Requests">👀</a> <a href="https://github.com/34j/so-vits-svc-fork/commits?author=34j" title="Tests">⚠️</a> <a href="#tutorial-34j" title="Tutorials">✅</a> <a href="#promotion-34j" title="Promotion">📣</a> <a href="https://github.com/34j/so-vits-svc-fork/issues?q=author%3A34j" title="Bug reports">🐛</a></td>
-      <td align="center" valign="top" width="14.28%"><a href="https://github.com/GarrettConway"><img src="https://avatars.githubusercontent.com/u/22782004?v=4?s=80" width="80px;" alt="GarrettConway"/><br /><sub><b>GarrettConway</b></sub></a><br /><a href="https://github.com/34j/so-vits-svc-fork/commits?author=GarrettConway" title="Code">💻</a> <a href="https://github.com/34j/so-vits-svc-fork/issues?q=author%3AGarrettConway" title="Bug reports">🐛</a></td>
+      <td align="center" valign="top" width="14.28%"><a href="https://github.com/GarrettConway"><img src="https://avatars.githubusercontent.com/u/22782004?v=4?s=80" width="80px;" alt="GarrettConway"/><br /><sub><b>GarrettConway</b></sub></a><br /><a href="https://github.com/34j/so-vits-svc-fork/commits?author=GarrettConway" title="Code">💻</a> <a href="https://github.com/34j/so-vits-svc-fork/issues?q=author%3AGarrettConway" title="Bug reports">🐛</a> <a href="https://github.com/34j/so-vits-svc-fork/commits?author=GarrettConway" title="Documentation">📖</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/BlueAmulet"><img src="https://avatars.githubusercontent.com/u/43395286?v=4?s=80" width="80px;" alt="BlueAmulet"/><br /><sub><b>BlueAmulet</b></sub></a><br /><a href="#ideas-BlueAmulet" title="Ideas, Planning, & Feedback">🤔</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/ThrowawayAccount01"><img src="https://avatars.githubusercontent.com/u/125531852?v=4?s=80" width="80px;" alt="ThrowawayAccount01"/><br /><sub><b>ThrowawayAccount01</b></sub></a><br /><a href="https://github.com/34j/so-vits-svc-fork/issues?q=author%3AThrowawayAccount01" title="Bug reports">🐛</a></td>
     </tr>