arc-lib build is falilng

[yeshamavani]

Describe the bug
unable to build arc-lib

To Reproduce
Steps to reproduce the behavior:

1. Take a fresh checkout
2. run ng build arc-lib
3. you will get an error

Expected behavior
arc-lib should successfully build

ScreenShot
Debugger attached.
Building Angular Package
Cannot discover package sources at /Users/prerna.gupta/Documents/angular-boilerplate/projects/arc-lib/ng-package.json as 'package.json' was not found.
Waiting for the debugger to disconnect...