docs(readme): update badge version

Author: trystan2k

README.md

@@ -1,6 +1,6 @@
 # ZSH NPM Plugin
 
-[![v1.0.0](https://img.shields.io/badge/version-1.1.0-brightgreen.svg)](https://github.com/trystan2k/zsh-npm-plugin/tree/v1.0.0)
+[![v1.0.0](https://img.shields.io/badge/version-1.0.0-brightgreen.svg)](https://github.com/trystan2k/zsh-npm-plugin/tree/v1.0.0)
 
 A zsh plugin that add NPM custom alias