docs: add @MunMunMiao as a contributor

Author: tunnckoCore

.all-contributorsrc

@@ -150,6 +150,15 @@
         "code",
         "review"
       ]
+    },
+    {
+      "login": "MunMunMiao",
+      "name": "MunMunMiao",
+      "avatar_url": "https://avatars1.githubusercontent.com/u/18216142?v=4",
+      "profile": "https://github.com/MunMunMiao",
+      "contributions": [
+        "bug"
+      ]
     }
   ]
 }

README.md

@@ -411,6 +411,9 @@ Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/d
     <td align="center"><a href="https://github.com/fengxinming"><img src="https://avatars2.githubusercontent.com/u/6262382?v=4" width="100px;" alt=""/><br /><sub><b>Jesse Feng</b></sub></a><br /><a href="https://github.com/node-formidable/node-formidable/issues?q=author%3Afengxinming" title="Bug reports">🐛</a></td>
     <td align="center"><a href="https://qtmsheep.com"><img src="https://avatars1.githubusercontent.com/u/7271496?v=4" width="100px;" alt=""/><br /><sub><b>Nathanael Demacon</b></sub></a><br /><a href="#question-quantumsheep" title="Answering Questions">💬</a> <a href="https://github.com/node-formidable/node-formidable/commits?author=quantumsheep" title="Code">💻</a> <a href="https://github.com/node-formidable/node-formidable/pulls?q=is%3Apr+reviewed-by%3Aquantumsheep" title="Reviewed Pull Requests">👀</a></td>
   </tr>
+  <tr>
+    <td align="center"><a href="https://github.com/MunMunMiao"><img src="https://avatars1.githubusercontent.com/u/18216142?v=4" width="100px;" alt=""/><br /><sub><b>MunMunMiao</b></sub></a><br /><a href="https://github.com/node-formidable/node-formidable/issues?q=author%3AMunMunMiao" title="Bug reports">🐛</a></td>
+  </tr>
 </table>
 
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