ng-add Schematics

[why520crazy]

Describe the solution you'd like
ng add @worktile/planet

• prompt "Choose application type, portal or sub application"
• add @worktile/planet to package.json
• prompt "Please input sub application name?" if select sub application
• update bootstrap code use defineApplication in main.ts

Describe alternatives you've considered
only add @worktile/planet to package.json, don't care about application type is portal or sub application.