docs: update README.md

Author: allcontributors[bot]

README.md

@@ -1,4 +1,5 @@
 # openrank-frontend
+[![All Contributors](https://img.shields.io/badge/all_contributors-1-orange.svg?style=flat-square)](#contributors)
 
 ## Project setup
 ```
@@ -27,3 +28,19 @@ npm run lint
 
 ### Customize configuration
 See [Configuration Reference](https://cli.vuejs.org/config/).
+
+## Contributors ✨
+
+Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/docs/en/emoji-key)):
+
+<!-- ALL-CONTRIBUTORS-LIST:START - Do not remove or modify this section -->
+<!-- prettier-ignore -->
+<table>
+  <tr>
+    <td align="center"><a href="https://github.com/pbteja1998"><img src="https://avatars3.githubusercontent.com/u/17903466?v=4" width="100px;" alt="Bhanu Teja P"/><br /><sub><b>Bhanu Teja P</b></sub></a><br /><a href="https://github.com/coderplex/openrank-frontend/commits?author=pbteja1998" title="Code">💻</a> <a href="https://github.com/coderplex/openrank-frontend/commits?author=pbteja1998" title="Documentation">📖</a> <a href="#design-pbteja1998" title="Design">🎨</a></td>
+  </tr>
+</table>
+
+<!-- ALL-CONTRIBUTORS-LIST:END -->
+
+This project follows the [all-contributors](https://github.com/all-contributors/all-contributors) specification. Contributions of any kind welcome!