docs: add skovy as a contributor (testing-library#276)

Author: allcontributors[bot]

.all-contributorsrc

@@ -272,6 +272,15 @@
       "contributions": [
         "code"
       ]
+    },
+    {
+      "login": "skovy",
+      "name": "Spencer Miskoviak",
+      "avatar_url": "https://avatars1.githubusercontent.com/u/5247455?v=4",
+      "profile": "https://skovy.dev",
+      "contributions": [
+        "doc"
+      ]
     }
   ],
   "commitConvention": "none",

README.md

@@ -293,6 +293,7 @@ Thanks goes to these wonderful people
     <td align="center"><a href="https://www.matej.snuderl.si/"><img src="https://avatars3.githubusercontent.com/u/8524109?v=4" width="100px;" alt=""/><br /><sub><b>Matej Šnuderl</b></sub></a><br /><a href="https://github.com/testing-library/user-event/pulls?q=is%3Apr+reviewed-by%3AMeemaw" title="Reviewed Pull Requests">👀</a></td>
     <td align="center"><a href="https://pomb.us"><img src="https://avatars1.githubusercontent.com/u/1911623?v=4" width="100px;" alt=""/><br /><sub><b>Rodrigo Pombo</b></sub></a><br /><a href="https://github.com/testing-library/user-event/commits?author=pomber" title="Code">💻</a></td>
     <td align="center"><a href="http://github.com/Raynos"><img src="https://avatars3.githubusercontent.com/u/479538?v=4" width="100px;" alt=""/><br /><sub><b>Jake Verbaten</b></sub></a><br /><a href="https://github.com/testing-library/user-event/commits?author=Raynos" title="Code">💻</a></td>
+    <td align="center"><a href="https://skovy.dev"><img src="https://avatars1.githubusercontent.com/u/5247455?v=4" width="100px;" alt=""/><br /><sub><b>Spencer Miskoviak</b></sub></a><br /><a href="https://github.com/testing-library/user-event/commits?author=skovy" title="Documentation">📖</a></td>
   </tr>
 </table>