docs: add shadow7412 as a contributor for doc (#2698)

* docs: update README.md

* docs: update .all-contributorsrc

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

.all-contributorsrc

@@ -584,6 +584,15 @@
       "contributions": [
         "doc"
       ]
+    },
+    {
+      "login": "shadow7412",
+      "name": "Shadow",
+      "avatar_url": "https://avatars.githubusercontent.com/u/286341?v=4",
+      "profile": "https://skhuf.net",
+      "contributions": [
+        "doc"
+      ]
     }
   ],
   "contributorsPerLine": 7

README.md

@@ -275,6 +275,7 @@ Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/d
     <td align="center"><a href="https://github.com/mpdcampbell"><img src="https://avatars.githubusercontent.com/u/47434940?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Michael Campbell</b></sub></a><br /><a href="https://github.com/authelia/authelia/commits?author=mpdcampbell" title="Documentation">📖</a></td>
     <td align="center"><a href="https://sievenpiper.co"><img src="https://avatars.githubusercontent.com/u/1131882?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Justin Sievenpiper</b></sub></a><br /><a href="https://github.com/authelia/authelia/commits?author=jsievenpiper" title="Code">💻</a></td>
     <td align="center"><a href="https://github.com/kaysond"><img src="https://avatars.githubusercontent.com/u/1147328?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Aram Akhavan</b></sub></a><br /><a href="https://github.com/authelia/authelia/commits?author=kaysond" title="Documentation">📖</a></td>
+    <td align="center"><a href="https://skhuf.net"><img src="https://avatars.githubusercontent.com/u/286341?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Shadow</b></sub></a><br /><a href="https://github.com/authelia/authelia/commits?author=shadow7412" title="Documentation">📖</a></td>
   </tr>
 </table>