docs: add yrien30 as a contributor (#683)

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

.all-contributorsrc

@@ -675,6 +675,15 @@
       "contributions": [
         "doc"
       ]
+    },
+    {
+      "login": "yrien30",
+      "name": "yrien30",
+      "avatar_url": "https://avatars1.githubusercontent.com/u/26816162?v=4",
+      "profile": "https://github.com/yrien30",
+      "contributions": [
+        "code"
+      ]
     }
   ],
   "contributorsPerLine": 7,

README.md

@@ -160,6 +160,7 @@ Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/d
   <tr>
     <td align="center"><a href="https://github.com/dhet"><img src="https://avatars3.githubusercontent.com/u/2668621?v=4" width="100px;" alt=""/><br /><sub><b>David H.</b></sub></a><br /><a href="https://github.com/containrrr/watchtower/commits?author=dhet" title="Code">💻</a></td>
     <td align="center"><a href="http://www.gridgeo.com"><img src="https://avatars1.githubusercontent.com/u/671887?v=4" width="100px;" alt=""/><br /><sub><b>Chander Ganesan</b></sub></a><br /><a href="https://github.com/containrrr/watchtower/commits?author=chander" title="Documentation">📖</a></td>
+    <td align="center"><a href="https://github.com/yrien30"><img src="https://avatars1.githubusercontent.com/u/26816162?v=4" width="100px;" alt=""/><br /><sub><b>yrien30</b></sub></a><br /><a href="https://github.com/containrrr/watchtower/commits?author=yrien30" title="Code">💻</a></td>
   </tr>
 </table>