docs: add xg1990 as a contributor (#386)

* docs: update README.md [skip ci]

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

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

Author: allcontributors[bot]

.all-contributorsrc

@@ -322,6 +322,15 @@
         "code",
         "test"
       ]
+    },
+    {
+      "login": "xg1990",
+      "name": "xg1990",
+      "avatar_url": "https://avatars1.githubusercontent.com/u/1443518?v=4",
+      "profile": "http://xuguang.info",
+      "contributions": [
+        "code"
+      ]
     }
   ],
   "contributorsPerLine": 7,

README.md

@@ -1051,6 +1051,7 @@ Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/d
     <td align="center"><a href="http://dystopian.dev"><img src="https://avatars2.githubusercontent.com/u/12427840?v=4" width="100px;" alt=""/><br /><sub><b>Redhart Azul</b></sub></a><br /><a href="https://github.com/cdimascio/express-openapi-validator/commits?author=dystopiandev" title="Code">💻</a></td>
     <td align="center"><a href="http://zeekat.nl"><img src="https://avatars1.githubusercontent.com/u/24154?v=4" width="100px;" alt=""/><br /><sub><b>Joost Diepenmaat</b></sub></a><br /><a href="https://github.com/cdimascio/express-openapi-validator/commits?author=joodie" title="Code">💻</a> <a href="https://github.com/cdimascio/express-openapi-validator/commits?author=joodie" title="Tests">⚠️</a></td>
     <td align="center"><a href="https://github.com/DomParfitt"><img src="https://avatars2.githubusercontent.com/u/11363907?v=4" width="100px;" alt=""/><br /><sub><b>Dom Parfitt</b></sub></a><br /><a href="https://github.com/cdimascio/express-openapi-validator/commits?author=DomParfitt" title="Code">💻</a> <a href="https://github.com/cdimascio/express-openapi-validator/commits?author=DomParfitt" title="Tests">⚠️</a></td>
+    <td align="center"><a href="http://xuguang.info"><img src="https://avatars1.githubusercontent.com/u/1443518?v=4" width="100px;" alt=""/><br /><sub><b>xg1990</b></sub></a><br /><a href="https://github.com/cdimascio/express-openapi-validator/commits?author=xg1990" title="Code">💻</a></td>
   </tr>
 </table>