Add @grundsch as a contributor

.all-contributorsrc

@@ -73,6 +73,15 @@
       "contributions": [
         "code"
       ]
+    },
+    {
+      "login": "grundsch",
+      "name": "grundsch",
+      "avatar_url": "https://avatars0.githubusercontent.com/u/3874928?v=4",
+      "profile": "https://github.com/grundsch",
+      "contributions": [
+        "code"
+      ]
     }
   ],
   "contributorsPerLine": 7

README.md

@@ -3,7 +3,7 @@
 [![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://opensource.org/licenses/MIT)
 [![Python package](https://github.com/RhetTbull/osxphotos/workflows/Python%20package/badge.svg)](https://github.com/RhetTbull/osxphotos/workflows/Python%20package/badge.svg)
 <!-- ALL-CONTRIBUTORS-BADGE:START - Do not remove or modify this section -->
-[![All Contributors](https://img.shields.io/badge/all_contributors-7-orange.svg?style=flat-square)](#contributors-)
+[![All Contributors](https://img.shields.io/badge/all_contributors-8-orange.svg?style=flat-square)](#contributors-)
 <!-- ALL-CONTRIBUTORS-BADGE:END -->
 
 - [OSXPhotos](#osxphotos)
@@ -2008,6 +2008,9 @@ Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/d
     <td align="center"><a href="https://github.com/jystervinou"><img src="https://avatars3.githubusercontent.com/u/132356?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Jean-Yves Stervinou</b></sub></a><br /><a href="https://github.com/RhetTbull/osxphotos/commits?author=jystervinou" title="Code">💻</a></td>
     <td align="center"><a href="https://dethi.me/"><img src="https://avatars2.githubusercontent.com/u/1011520?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Thibault Deutsch</b></sub></a><br /><a href="https://github.com/RhetTbull/osxphotos/commits?author=dethi" title="Code">💻</a></td>
   </tr>
+  <tr>
+    <td align="center"><a href="https://github.com/grundsch"><img src="https://avatars0.githubusercontent.com/u/3874928?v=4?s=100" width="100px;" alt=""/><br /><sub><b>grundsch</b></sub></a><br /><a href="https://github.com/RhetTbull/osxphotos/commits?author=grundsch" title="Code">💻</a></td>
+  </tr>
 </table>
 
 <!-- markdownlint-restore -->