📖 DOC: Add build badge

Author: warengonzaga

README.md

@@ -1,6 +1,6 @@
 # COVID-19 Tracker & CLI [![Mentioned in Awesome Coronavirus](https://awesome.re/mentioned-badge-flat.svg)](https://github.com/soroushchehresa/awesome-coronavirus)
 
-[![created by](https://img.shields.io/badge/created%20by-Waren%20Gonzaga-blue.svg?longCache=true&style=flat-square)](https://github.com/warengonzaga) [![maintained by](https://img.shields.io/badge/maintained%20by-Wareneutron%20Developers-blue.svg?longCache=true&style=flat-square)](https://wareneutron.com) [![Release](https://img.shields.io/github/release/wareneutron/covid19-tracker-cli.svg?style=flat-square)](https://github.com/wareneutron/covid19-tracker-cli/releases) [![Star](https://img.shields.io/github/stars/wareneutron/covid19-tracker-cli.svg?style=flat-square)](https://github.com/wareneutron/covid19-tracker-cli/stargazers) [![License](https://img.shields.io/github/license/wareneutron/covid19-tracker-cli.svg?style=flat-square)](https://github.com/wareneutron/covid19-tracker-cli/blob/main/LICENSE)
+[![created by](https://img.shields.io/badge/created%20by-Waren%20Gonzaga-blue.svg?longCache=true&style=flat-square)](https://github.com/warengonzaga) [![maintained by](https://img.shields.io/badge/maintained%20by-Wareneutron%20Developers-blue.svg?longCache=true&style=flat-square)](https://wareneutron.com) [![Build](https://img.shields.io/circleci/build/github/wareneutron/covid19-tracker-cli/main?style=flat-square)](https://github.com/wareneutron/covid19-tracker-cli) [![Release](https://img.shields.io/github/release/wareneutron/covid19-tracker-cli.svg?style=flat-square)](https://github.com/wareneutron/covid19-tracker-cli/releases) [![Star](https://img.shields.io/github/stars/wareneutron/covid19-tracker-cli.svg?style=flat-square)](https://github.com/wareneutron/covid19-tracker-cli/stargazers) [![License](https://img.shields.io/github/license/wareneutron/covid19-tracker-cli.svg?style=flat-square)](https://github.com/wareneutron/covid19-tracker-cli/blob/main/LICENSE)
 
 [![Banner](.github/wareneutron_covid19_tracker_cli_github_banner.png)](https://docs.wareneutron.com/covid19-tracker-cli)