Update README.md

Author: DevangJayswal

README.md

@@ -5,6 +5,9 @@ https://www.youtube.com/watch?v=zcmXMIBlUUE
 
 This project was generated with [Angular CLI](https://github.com/angular/angular-cli) version 8.3.20.
 
+## Install project dependencies
+Run `ng serve` inside the directory of `package.json`
+
 ## Development server
 
 Run `ng serve` for a dev server. Navigate to `http://localhost:4200/`. The app will automatically reload if you change any of the source files.