modified readme

Author: seanghay

README.md

@@ -1,2 +1,10 @@
 ## Github Light Theme for Insomnia
 
+![Publish to NPM Registry](https://github.com/seanghay/insomnia-plugin-github-light-theme/workflows/Publish%20to%20NPM%20Registry/badge.svg)
+![Npm Version](https://img.shields.io/npm/v/insomnia-plugin-github-light-theme.svg)
+
+This is a Github light theme plugin for [Insomnia](https://insomnia.rest).
+
+## Installation
+
+Install the `insomnia-plugin-github-light-theme` plugin from Preferences > Plugins.