[+] Add support for ng-add schematics

[santoshyadavdev]

Is your feature request related to a problem? Please describe. A clear and concise description of what the problem is. Ex. I'm always frustrated when [...] Add support for ng-add schematics, to automate the initial setup.

Describe the solution you'd like A clear and concise description of what you want to happen. Refer angular material, where they have schematics support.

Describe alternatives you've considered A clear and concise description of any alternative solutions or features you've considered.

Additional context Add any other context or screenshots about the feature request here. https://material.angular.io/guide/getting-started#alternative-2-angular-devkit-6-

[samuil4]

Reward for completing a MR: 1 DEV