Update README.md

Author: erimicel

README.md

@@ -1,6 +1,8 @@
 # select2-tailwindcss-theme
 
-NPM Links
+[![GitHub](https://img.shields.io/github/v/release/erimicel/select2-tailwindcss-theme?style=flat-square)](https://github.com/erimicel/select2-tailwindcss-theme)
+[![npm](https://img.shields.io/npm/v/select2-tailwindcss-theme?style=flat-square)](https://www.npmjs.com/package/select2-tailwindcss-theme)
+[![License](https://img.shields.io/github/license/erimicel/select2-tailwindcss-theme?style=flat-square)](LICENSE)
 
 [Select2](https://github.com/select2/select2) v4 theme for [TailwindCSS v3.4](https://tailwindcss.com/), inspired by [select2-bootstrap4-theme](https://github.com/ttskch/select2-bootstrap4-theme)