update README.md (#21)

Author: mrwormhole

README.md

@@ -1,5 +1,9 @@
 # virtual-keyboard
 
+[![Version](https://img.shields.io/github/tag/mrwormhole/virtual-keyboard.svg)](https://github.com/mrwormhole/virtual-keyboard/tags)
+[![CI Build](https://github.com/mrwormhole/virtual-keyboard/actions/workflows/pr.yaml/badge.svg)](https://github.com/mrwormhole/virtual-keyboard/actions/workflows/pr.yaml)
+[![License](https://img.shields.io/github/license/mrwormhole/virtual-keyboard)](https://github.com/mrwormhole/virtual-keyboard/blob/main/LICENSE)
+
 I have realized I need some sort of virtual keyboard so that I can type different alphabets faster with UK keyboard layout.
 
 I have been inspired by [this website](https://www.branah.com/) in my trilingual language journey.