docs: update README.md [skip ci]

Author: allcontributors[bot]

README.md

@@ -1,4 +1,7 @@
 # coronavirus-tracker (API)
+<!-- ALL-CONTRIBUTORS-BADGE:START - Do not remove or modify this section -->
+[![All Contributors](https://img.shields.io/badge/all_contributors-1-orange.svg?style=flat-square)](#contributors-)
+<!-- ALL-CONTRIBUTORS-BADGE:END -->
 
 > This is a fast (< 200ms) and basic API for tracking development of the new coronavirus (2019-nCoV). It's written in python using 🍼 Flask.
 
@@ -73,3 +76,22 @@ You will need the following things properly installed on your computer.
 ### Building
 
 ### Deploying
+
+## 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-start -->
+<!-- markdownlint-disable -->
+<table>
+  <tr>
+    <td align="center"><a href="https://github.com/ExpDev07"><img src="https://avatars3.githubusercontent.com/u/10024730?v=4" width="100px;" alt=""/><br /><sub><b>ExpDev</b></sub></a><br /><a href="https://github.com/ExpDev07/coronavirus-tracker-api/commits?author=ExpDev07" title="Code">💻</a> <a href="https://github.com/ExpDev07/coronavirus-tracker-api/commits?author=ExpDev07" title="Documentation">📖</a> <a href="#maintenance-ExpDev07" title="Maintenance">🚧</a></td>
+  </tr>
+</table>
+
+<!-- markdownlint-enable -->
+<!-- prettier-ignore-end -->
+<!-- ALL-CONTRIBUTORS-LIST:END -->
+
+This project follows the [all-contributors](https://github.com/all-contributors/all-contributors) specification. Contributions of any kind welcome!