openvidu-components: Updated README

openvidu-components-angular/projects/openvidu-angular/README.md

@@ -6,15 +6,33 @@
 
 **The easier way to build powerful OpenVidu videoconference frontend applications.**
 
+## Requirements:
+
+You will need angular-cli (and of course NPM) to serve the Angular frontend. You can check it with the following command:
+
+```bash
+npm -v
+ng v
+```
+
 ## How to install
 
+1. You need to install the openvidu-angular library in your Angular application:
+
 ```
-npm install openvidu-angular@latest
+npm install openvidu-angular
+```
+
+2. Also you need Angular Material:
+
+```
+ng add @angular/material
 ```
 
 ## How to use it
 
-In your `app.module.ts`:
+
+You need import the openvidu-angular module in your `app.module.ts`:
 
 ```typescript
 import { OpenViduAngularConfig, OpenViduAngularModule } from 'openvidu-angular';