docs: add xunto as a contributor for doc (asyncapi#709)

.all-contributorsrc

@@ -302,6 +302,15 @@
       "contributions": [
         "doc"
       ]
+    },
+    {
+      "login": "xunto",
+      "name": "Orlov Valentine",
+      "avatar_url": "https://avatars.githubusercontent.com/u/5288053?v=4",
+      "profile": "https://github.com/xunto",
+      "contributions": [
+        "doc"
+      ]
     }
   ],
   "commitConvention": "none"

README.md

@@ -117,6 +117,7 @@ Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/d
     <td align="center"><a href="https://github.com/balogal"><img src="https://avatars.githubusercontent.com/u/80794567?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Alexander Balogh</b></sub></a><br /><a href="https://github.com/asyncapi/spec/commits?author=balogal" title="Documentation">📖</a> <a href="https://github.com/asyncapi/spec/issues?q=author%3Abalogal" title="Bug reports">🐛</a></td>
     <td align="center"><a href="https://github.com/KhudaDad414"><img src="https://avatars.githubusercontent.com/u/32505158?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Khuda Dad Nomani</b></sub></a><br /><a href="#example-KhudaDad414" title="Examples">💡</a> <a href="https://github.com/asyncapi/spec/issues?q=author%3AKhudaDad414" title="Bug reports">🐛</a></td>
     <td align="center"><a href="https://github.com/aaronkorver"><img src="https://avatars.githubusercontent.com/u/8387325?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Aaron Korver</b></sub></a><br /><a href="https://github.com/asyncapi/spec/commits?author=aaronkorver" title="Documentation">📖</a></td>
+    <td align="center"><a href="https://github.com/xunto"><img src="https://avatars.githubusercontent.com/u/5288053?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Orlov Valentine</b></sub></a><br /><a href="https://github.com/asyncapi/spec/commits?author=xunto" title="Documentation">📖</a></td>
   </tr>
 </table>