docs: add wernerfred as a contributor for doc, maintenance (#2077)

* docs: update CONTRIBUTORS.md

* docs: update .all-contributorsrc

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

.all-contributorsrc

@@ -44,6 +44,16 @@
       "contributions": [
         "doc"
       ]
+    },
+    {
+      "login": "wernerfred",
+      "name": "Frederic Werner",
+      "avatar_url": "https://avatars.githubusercontent.com/u/20406381?v=4",
+      "profile": "https://github.com/wernerfred",
+      "contributions": [
+        "doc",
+        "maintenance"
+      ]
     }
   ],
   "contributorsPerLine": 7,

CONTRIBUTORS.md

@@ -9,8 +9,9 @@ Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/d
   <tr>
     <td align="center"><a href="http://eleith.com"><img src="https://avatars.githubusercontent.com/u/284832?v=4?s=100" width="100px;" alt=""/><br /><sub><b>eleith</b></sub></a><br /><a href="#infra-eleith" title="Infrastructure (Hosting, Build-Tools, etc)">🚇</a> <a href="https://github.com/docker-mailserver/docker-mailserver/commits?author=eleith" title="Documentation">📖</a></td>
     <td align="center"><a href="https://github.com/NorseGaud"><img src="https://avatars.githubusercontent.com/u/5896030?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Nathan Pierce</b></sub></a><br /><a href="https://github.com/docker-mailserver/docker-mailserver/commits?author=NorseGaud" title="Documentation">📖</a></td>
-    <td align="center"><a href="https://github.com/georglauterbach"><img src="https://avatars.githubusercontent.com/u/44545919?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Georg Lauterbach</b></sub></a><br /><a href="#maintenance-georglauterbach" title="Maintenance">🚧</a></td>
+    <td align="center"><a href="https://github.com/georglauterbach"><img src="https://avatars.githubusercontent.com/u/44545919?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Georg Lauterbach</b></sub></a><br /><a href="#maintenance-georglauterbach" title="Maintenance">🚧</a> <a href="https://github.com/docker-mailserver/docker-mailserver/commits?author=georglauterbach" title="Code">💻</a> <a href="#question-georglauterbach" title="Answering Questions">💬</a> <a href="https://github.com/docker-mailserver/docker-mailserver/pulls?q=is%3Apr+reviewed-by%3Ageorglauterbach" title="Reviewed Pull Requests">👀</a></td>
     <td align="center"><a href="https://github.com/hnws"><img src="https://avatars.githubusercontent.com/u/668137?v=4?s=100" width="100px;" alt=""/><br /><sub><b>hnws</b></sub></a><br /><a href="https://github.com/docker-mailserver/docker-mailserver/commits?author=hnws" title="Documentation">📖</a></td>
+    <td align="center"><a href="https://github.com/wernerfred"><img src="https://avatars.githubusercontent.com/u/20406381?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Frederic Werner</b></sub></a><br /><a href="https://github.com/docker-mailserver/docker-mailserver/commits?author=wernerfred" title="Documentation">📖</a> <a href="#maintenance-wernerfred" title="Maintenance">🚧</a></td>
   </tr>
 </table>