📝 Add @mbhall88 as a contributor

.all-contributorsrc

@@ -386,6 +386,15 @@
       "contributions": [
         "doc"
       ]
+    },
+    {
+      "login": "mbhall88",
+      "name": "Michael Hall",
+      "avatar_url": "https://avatars3.githubusercontent.com/u/20403931?v=4",
+      "profile": "https://mbh.sh",
+      "contributions": [
+        "doc"
+      ]
     }
   ],
   "contributorsPerLine": 7,

README.md

@@ -953,6 +953,7 @@ This project was created by [Henry Schreiner](https://github.com/henryiii) and m
     <td align="center"><a href="https://ondrejcertik.com/"><img src="https://avatars3.githubusercontent.com/u/20568?v=4" width="100px;" alt=""/><br /><sub><b>Ondřej Čertík</b></sub></a><br /><a href="https://github.com/CLIUtils/CLI11/issues?q=author%3Acertik" title="Bug reports">🐛</a></td>
     <td align="center"><a href="http://sam.hocevar.net/"><img src="https://avatars2.githubusercontent.com/u/245089?v=4" width="100px;" alt=""/><br /><sub><b>Sam Hocevar</b></sub></a><br /><a href="https://github.com/CLIUtils/CLI11/commits?author=samhocevar" title="Code">💻</a></td>
     <td align="center"><a href="http://www.ratml.org/"><img src="https://avatars0.githubusercontent.com/u/1845039?v=4" width="100px;" alt=""/><br /><sub><b>Ryan Curtin</b></sub></a><br /><a href="https://github.com/CLIUtils/CLI11/commits?author=rcurtin" title="Documentation">📖</a></td>
+    <td align="center"><a href="https://mbh.sh"><img src="https://avatars3.githubusercontent.com/u/20403931?v=4" width="100px;" alt=""/><br /><sub><b>Michael Hall</b></sub></a><br /><a href="https://github.com/CLIUtils/CLI11/commits?author=mbhall88" title="Documentation">📖</a></td>
   </tr>
 </table>