Add @edlerd as a contributor

.all-contributorsrc

@@ -439,6 +439,15 @@
         "bug",
         "code"
       ]
+    },
+    {
+      "login": "edlerd",
+      "name": "David Edler",
+      "avatar_url": "https://avatars.githubusercontent.com/u/1155472?v=4",
+      "profile": "https://github.com/edlerd",
+      "contributions": [
+        "bug"
+      ]
     }
   ],
   "repoType": "github",

README.md

@@ -300,6 +300,9 @@ Thanks goes to these wonderful people ([emoji key](https://github.com/kentcdodds
     <td align="center"><a href="https://Gourav.io"><img src="https://avatars.githubusercontent.com/u/7106086?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Gourav Goyal</b></sub></a><br /><a href="https://github.com/rpearce/image-zoom/commits?author=GorvGoyl" title="Documentation">📖</a></td>
     <td align="center"><a href="https://joshcena.com/"><img src="https://avatars.githubusercontent.com/u/55398995?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Joshua Chen</b></sub></a><br /><a href="https://github.com/rpearce/image-zoom/issues?q=author%3AJosh-Cena" title="Bug reports">🐛</a> <a href="https://github.com/rpearce/image-zoom/commits?author=Josh-Cena" title="Code">💻</a></td>
   </tr>
+  <tr>
+    <td align="center"><a href="https://github.com/edlerd"><img src="https://avatars.githubusercontent.com/u/1155472?v=4?s=100" width="100px;" alt=""/><br /><sub><b>David Edler</b></sub></a><br /><a href="https://github.com/rpearce/image-zoom/issues?q=author%3Aedlerd" title="Bug reports">🐛</a></td>
+  </tr>
 </table>
 
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