docs: add @soaxelbrooke as a contributor

Author: yukinarit

.all-contributorsrc

@@ -153,6 +153,15 @@
       "contributions": [
         "code"
       ]
+    },
+    {
+      "login": "soaxelbrooke",
+      "name": "Stuart Axelbrooke",
+      "avatar_url": "https://avatars.githubusercontent.com/u/2815794?v=4",
+      "profile": "http://stuart.axelbrooke.com/",
+      "contributions": [
+        "code"
+      ]
     }
   ],
   "contributorsPerLine": 7,

README.md

@@ -114,6 +114,7 @@ Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/d
     <tr>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/jfuechsl"><img src="https://avatars.githubusercontent.com/u/1097068?v=4?s=100" width="100px;" alt="Johann Fuechsl"/><br /><sub><b>Johann Fuechsl</b></sub></a><br /><a href="https://github.com/yukinarit/pyserde/commits?author=jfuechsl" title="Code">💻</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/DoeringChristian"><img src="https://avatars.githubusercontent.com/u/23581448?v=4?s=100" width="100px;" alt="DoeringChristian"/><br /><sub><b>DoeringChristian</b></sub></a><br /><a href="https://github.com/yukinarit/pyserde/commits?author=DoeringChristian" title="Code">💻</a></td>
+      <td align="center" valign="top" width="14.28%"><a href="http://stuart.axelbrooke.com/"><img src="https://avatars.githubusercontent.com/u/2815794?v=4?s=100" width="100px;" alt="Stuart Axelbrooke"/><br /><sub><b>Stuart Axelbrooke</b></sub></a><br /><a href="https://github.com/yukinarit/pyserde/commits?author=soaxelbrooke" title="Code">💻</a></td>
     </tr>
   </tbody>
   <tfoot>