update README.md how to

README.md

-# Debugger
+# @devatscience/ngx-debug
 
-This library was generated with [Angular CLI](https://github.com/angular/angular-cli) version 8.2.0.
+Source library to generate angular package ready for NPM
 
-## Install
+## How to
+Once modification are done,
+- Run `npm build ngx-debug` to generate a **dist** folder that will contain all the required NPM files (typeScript & compiled es5 js)
+- Move to the generated library **dist** folder `cd .../dist/ngx-debug`
+- Check the package.json file
+- Name should be `"name": "@devatscience/ngx-debug"`
+- Increase version `"version": "0.1.1"`
 
-Run `npm i @devatscience/ngx-debug` to install the library.
 
-## Content
+## Library features
 
-Dump panel, Watcher, Spy, ApiRoute
+- Dump panel
+- Watcher
+- Spy
+- ApiRoute