Add @xerosic as a contributor

Author: codingknite

.all-contributorsrc

@@ -137,6 +137,15 @@
       "contributions": [
         "doc"
       ]
+    },
+    {
+      "login": "xerosic",
+      "name": "xerosic",
+      "avatar_url": "https://avatars.githubusercontent.com/u/42121005?v=4",
+      "profile": "https://github.com/xerosic",
+      "contributions": [
+        "doc"
+      ]
     }
   ],
   "contributorsPerLine": 7

README.md

@@ -905,6 +905,7 @@ Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/d
     <td align="center"><a href="https://mintbean.io/"><img src="https://avatars.githubusercontent.com/u/4856944?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Monarch Wadia</b></sub></a><br /><a href="https://github.com/codingknite/frontend-development/commits?author=monarchwadia" title="Documentation">📖</a></td>
     <td align="center"><a href="https://medium.com/@qjli"><img src="https://avatars.githubusercontent.com/u/75322?v=4?s=100" width="100px;" alt=""/><br /><sub><b>QJ Li</b></sub></a><br /><a href="https://github.com/codingknite/frontend-development/commits?author=qjnz" title="Documentation">📖</a></td>
     <td align="center"><a href="https://sayemon10.github.io/"><img src="https://avatars.githubusercontent.com/u/35277447?v=4?s=100" width="100px;" alt=""/><br /><sub><b>S. M. Abdul Aziz</b></sub></a><br /><a href="https://github.com/codingknite/frontend-development/commits?author=sayemon10" title="Documentation">📖</a></td>
+    <td align="center"><a href="https://github.com/xerosic"><img src="https://avatars.githubusercontent.com/u/42121005?v=4?s=100" width="100px;" alt=""/><br /><sub><b>xerosic</b></sub></a><br /><a href="https://github.com/codingknite/frontend-development/commits?author=xerosic" title="Documentation">📖</a></td>
   </tr>
 </table>