docs: add isabelizimm as a contributor for bug (#49)

* docs: update README.md

* docs: update .all-contributorsrc

---------

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

.all-contributorsrc

@@ -71,6 +71,15 @@
       "contributions": [
         "bug"
       ]
+    },
+    {
+      "login": "isabelizimm",
+      "name": "Isabel Zimmerman",
+      "avatar_url": "https://avatars.githubusercontent.com/u/54685329?v=4",
+      "profile": "http://isabelizimm.me",
+      "contributions": [
+        "bug"
+      ]
     }
   ]
 }

README.md

@@ -146,6 +146,9 @@ I mainly run the `main.py` and `sort_yaml.py` to get new entries and move old en
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/alanderex"><img src="https://avatars.githubusercontent.com/u/1356401?v=4?s=100" width="100px;" alt="Alexander CS Hendorf"/><br /><sub><b>Alexander CS Hendorf</b></sub></a><br /><a href="#content-alanderex" title="Content">🖋</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/radujica"><img src="https://avatars.githubusercontent.com/u/8166962?v=4?s=100" width="100px;" alt="Radu"/><br /><sub><b>Radu</b></sub></a><br /><a href="#bug-radujica" title="Bug reports">🐛</a></td>
     </tr>
+    <tr>
+      <td align="center" valign="top" width="14.28%"><a href="http://isabelizimm.me"><img src="https://avatars.githubusercontent.com/u/54685329?v=4?s=100" width="100px;" alt="Isabel Zimmerman"/><br /><sub><b>Isabel Zimmerman</b></sub></a><br /><a href="#bug-isabelizimm" title="Bug reports">🐛</a></td>
+    </tr>
   </tbody>
 </table>