docs: add gimbar as a contributor (#410)

* docs: update README.md

* docs: update .all-contributorsrc

.all-contributorsrc

@@ -321,6 +321,16 @@
         "doc",
         "test"
       ]
+    },
+    {
+      "login": "gimbar",
+      "name": "Gimbar",
+      "avatar_url": "https://avatars2.githubusercontent.com/u/862483?v=4",
+      "profile": "http://breax.org",
+      "contributions": [
+        "code",
+        "test"
+      ]
     }
   ],
   "contributorsPerLine": 7

README.md

@@ -225,6 +225,7 @@ Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/d
   </tr>
   <tr>
     <td align="center"><a href="https://github.com/jakubclark"><img src="https://avatars0.githubusercontent.com/u/19486495?v=4" width="100px;" alt="Kuba Clark"/><br /><sub><b>Kuba Clark</b></sub></a><br /><a href="https://github.com/starship/starship/commits?author=jakubclark" title="Code">💻</a> <a href="https://github.com/starship/starship/commits?author=jakubclark" title="Documentation">📖</a> <a href="https://github.com/starship/starship/commits?author=jakubclark" title="Tests">⚠️</a></td>
+    <td align="center"><a href="http://breax.org"><img src="https://avatars2.githubusercontent.com/u/862483?v=4" width="100px;" alt="Gimbar"/><br /><sub><b>Gimbar</b></sub></a><br /><a href="https://github.com/starship/starship/commits?author=gimbar" title="Code">💻</a> <a href="https://github.com/starship/starship/commits?author=gimbar" title="Tests">⚠️</a></td>
   </tr>
 </table>