docs: add chugunov as a contributor (#356)

* docs: update README.md

* docs: update .all-contributorsrc

.all-contributorsrc

@@ -320,6 +320,15 @@
       "contributions": [
         "code"
       ]
+    },
+    {
+      "login": "chugunov",
+      "name": "Andrey",
+      "avatar_url": "https://avatars1.githubusercontent.com/u/4140479?v=4",
+      "profile": "https://github.com/chugunov",
+      "contributions": [
+        "doc"
+      ]
     }
   ],
   "contributorsPerLine": 7,

README.md

@@ -104,6 +104,7 @@ Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/d
     <td align="center"><a href="https://github.com/lukapeschke"><img src="https://avatars1.githubusercontent.com/u/17085536?v=4" width="100px;" alt="Luka Peschke"/><br /><sub><b>Luka Peschke</b></sub></a><br /><a href="https://github.com/containrrr/watchtower/commits?author=lukapeschke" title="Code">💻</a> <a href="https://github.com/containrrr/watchtower/commits?author=lukapeschke" title="Documentation">📖</a></td>
     <td align="center"><a href="https://github.com/zoispag"><img src="https://avatars0.githubusercontent.com/u/21138205?v=4" width="100px;" alt="Zois Pagoulatos"/><br /><sub><b>Zois Pagoulatos</b></sub></a><br /><a href="https://github.com/containrrr/watchtower/commits?author=zoispag" title="Code">💻</a></td>
     <td align="center"><a href="https://alexandre.menif.name"><img src="https://avatars0.githubusercontent.com/u/16152103?v=4" width="100px;" alt="Alexandre Menif"/><br /><sub><b>Alexandre Menif</b></sub></a><br /><a href="https://github.com/containrrr/watchtower/commits?author=alexandremenif" title="Code">💻</a></td>
+    <td align="center"><a href="https://github.com/chugunov"><img src="https://avatars1.githubusercontent.com/u/4140479?v=4" width="100px;" alt="Andrey"/><br /><sub><b>Andrey</b></sub></a><br /><a href="https://github.com/containrrr/watchtower/commits?author=chugunov" title="Documentation">📖</a></td>
   </tr>
 </table>