docs: add dssinger as a contributor for bug (#514)

* docs: update README.md [skip ci]

* docs: update .all-contributorsrc [skip ci]

Co-authored-by: allcontributors[bot] <46447321+allcontributors[bot]@users.noreply.github.com>

.all-contributorsrc

@@ -241,6 +241,15 @@
       "contributions": [
         "data"
       ]
+    },
+    {
+      "login": "dssinger",
+      "name": "David Singer",
+      "avatar_url": "https://avatars.githubusercontent.com/u/1817903?v=4",
+      "profile": "https://github.com/dssinger",
+      "contributions": [
+        "bug"
+      ]
     }
   ],
   "contributorsPerLine": 7,

README.md

@@ -3789,6 +3789,7 @@ Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/d
     <td align="center"><a href="https://github.com/kaduskj"><img src="https://avatars.githubusercontent.com/u/983067?v=4?s=75" width="75px;" alt=""/><br /><sub><b>kaduskj</b></sub></a><br /><a href="https://github.com/RhetTbull/osxphotos/issues?q=author%3Akaduskj" title="Bug reports">🐛</a></td>
     <td align="center"><a href="https://github.com/mkirkland4874"><img src="https://avatars.githubusercontent.com/u/36466711?v=4?s=75" width="75px;" alt=""/><br /><sub><b>mkirkland4874</b></sub></a><br /><a href="https://github.com/RhetTbull/osxphotos/issues?q=author%3Amkirkland4874" title="Bug reports">🐛</a> <a href="#example-mkirkland4874" title="Examples">💡</a></td>
     <td align="center"><a href="https://github.com/jcommisso07"><img src="https://avatars.githubusercontent.com/u/3111054?v=4?s=75" width="75px;" alt=""/><br /><sub><b>Joseph Commisso</b></sub></a><br /><a href="#data-jcommisso07" title="Data">🔣</a></td>
+    <td align="center"><a href="https://github.com/dssinger"><img src="https://avatars.githubusercontent.com/u/1817903?v=4?s=75" width="75px;" alt=""/><br /><sub><b>David Singer</b></sub></a><br /><a href="https://github.com/RhetTbull/osxphotos/issues?q=author%3Adssinger" title="Bug reports">🐛</a></td>
   </tr>
 </table>