docs: add mfs as a contributor (starship#765)

.all-contributorsrc

@@ -636,6 +636,17 @@
         "code",
         "doc"
       ]
+    },
+    {
+      "login": "mfs",
+      "name": "Mike Sampson",
+      "avatar_url": "https://avatars1.githubusercontent.com/u/481987?v=4",
+      "profile": "http://sda.io",
+      "contributions": [
+        "code",
+        "doc",
+        "test"
+      ]
     }
   ],
   "contributorsPerLine": 7,

README.md

@@ -25,7 +25,7 @@
       alt="Chat on Discord"
   /></a>
   <!-- ALL-CONTRIBUTORS-BADGE:START - Do not remove or modify this section -->
-<a href="#contributors"><img src="https://img.shields.io/badge/all%20contributors-61-orange" alt="All Contributors"></a>
+<a href="#contributors"><img src="https://img.shields.io/badge/all%20contributors-62-orange" alt="All Contributors"></a>
 <!-- ALL-CONTRIBUTORS-BADGE:END -->
 </p>
 
@@ -311,6 +311,7 @@ Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/d
     <td align="center"><a href="https://jasonet.co"><img src="https://avatars1.githubusercontent.com/u/10660468?v=4" width="100px;" alt=""/><br /><sub><b>Jason Etcovitch</b></sub></a><br /><a href="https://github.com/starship/starship/issues?q=author%3AJasonEtco" title="Bug reports">🐛</a></td>
     <td align="center"><a href="https://github.com/etiennemabille"><img src="https://avatars3.githubusercontent.com/u/11175343?v=4" width="100px;" alt=""/><br /><sub><b>Etienne Mabille</b></sub></a><br /><a href="https://github.com/starship/starship/commits?author=etiennemabille" title="Code">💻</a></td>
     <td align="center"><a href="https://github.com/Scotsguy"><img src="https://avatars3.githubusercontent.com/u/20385973?v=4" width="100px;" alt=""/><br /><sub><b>AppleTheGolden</b></sub></a><br /><a href="https://github.com/starship/starship/commits?author=Scotsguy" title="Code">💻</a> <a href="https://github.com/starship/starship/commits?author=Scotsguy" title="Documentation">📖</a></td>
+    <td align="center"><a href="http://sda.io"><img src="https://avatars1.githubusercontent.com/u/481987?v=4" width="100px;" alt=""/><br /><sub><b>Mike Sampson</b></sub></a><br /><a href="https://github.com/starship/starship/commits?author=mfs" title="Code">💻</a> <a href="https://github.com/starship/starship/commits?author=mfs" title="Documentation">📖</a> <a href="https://github.com/starship/starship/commits?author=mfs" title="Tests">⚠️</a></td>
   </tr>
 </table>