Add @MadProbe as a contributor

.all-contributorsrc

@@ -55,6 +55,15 @@
         "bug",
         "ideas"
       ]
+    },
+    {
+      "login": "MadProbe",
+      "name": "Evgeniy Istomin",
+      "avatar_url": "https://avatars.githubusercontent.com/u/49519179?v=4",
+      "profile": "https://github.com/MadProbe",
+      "contributions": [
+        "doc"
+      ]
     }
   ],
   "contributorsPerLine": 7

README.md

@@ -67,6 +67,7 @@ Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/d
     <td align="center"><a href="https://jan-prochazka.eu/"><img src="https://avatars.githubusercontent.com/u/1665677?v=4?s=50" width="50px;" alt=""/><br /><sub><b>Jan Procházka</b></sub></a><br /><a href="https://github.com/holodata/masterchat/commits?author=jprochazk" title="Code">💻</a></td>
     <td align="center"><a href="https://github.com/sphinxrave"><img src="https://avatars.githubusercontent.com/u/62570796?v=4?s=50" width="50px;" alt=""/><br /><sub><b>sphinxrave</b></sub></a><br /><a href="https://github.com/holodata/masterchat/issues?q=author%3Asphinxrave" title="Bug reports">🐛</a></td>
     <td align="center"><a href="https://github.com/RiceCakess"><img src="https://avatars.githubusercontent.com/u/3145205?v=4?s=50" width="50px;" alt=""/><br /><sub><b>David Chen</b></sub></a><br /><a href="https://github.com/holodata/masterchat/issues?q=author%3ARiceCakess" title="Bug reports">🐛</a> <a href="#ideas-RiceCakess" title="Ideas, Planning, & Feedback">🤔</a></td>
+    <td align="center"><a href="https://github.com/MadProbe"><img src="https://avatars.githubusercontent.com/u/49519179?v=4?s=50" width="50px;" alt=""/><br /><sub><b>Evgeniy Istomin</b></sub></a><br /><a href="https://github.com/holodata/masterchat/commits?author=MadProbe" title="Documentation">📖</a></td>
   </tr>
 </table>