docs: add edumucelli as a contributor (#389)

.all-contributorsrc

@@ -93,7 +93,8 @@
       "avatar_url": "https://avatars.githubusercontent.com/u/959623?v=4",
       "profile": "http://eduar.do",
       "contributions": [
-        "doc"
+        "doc",
+        "code"
       ]
     }
   ],

README.md

@@ -161,7 +161,7 @@ Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/d
   <tr>
     <td align="center"><a href="https://or-e.net"><img src="https://avatars1.githubusercontent.com/u/2883824?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Or Elimelech</b></sub></a><br /><a href="https://github.com/markphelps/flipt/commits?author=vic3lord" title="Code">💻</a></td>
     <td align="center"><a href="https://github.com/giddel"><img src="https://avatars0.githubusercontent.com/u/10463018?v=4?s=100" width="100px;" alt=""/><br /><sub><b>giddel</b></sub></a><br /><a href="https://github.com/markphelps/flipt/commits?author=giddel" title="Code">💻</a></td>
-    <td align="center"><a href="http://eduar.do"><img src="https://avatars.githubusercontent.com/u/959623?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Eduardo</b></sub></a><br /><a href="/markphelps/flipt/commits?author=edumucelli" title="Documentation">📖</a></td>
+    <td align="center"><a href="http://eduar.do"><img src="https://avatars.githubusercontent.com/u/959623?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Eduardo</b></sub></a><br /><a href="/markphelps/flipt/commits?author=edumucelli" title="Documentation">📖</a> <a href="/markphelps/flipt/commits?author=edumucelli" title="Code">💻</a></td>
   </tr>
 </table>