fix: add package.json files from nativescript plugins to watch patterns
fix: add package.json files from nativescript plugins to watch patterns

Currently CLI respects the changes only in the followings package.json files:
 * package.json from app folder
 * package.json from root folder of the application
The changes from package.json files form NS plugins are not respected as they are not added to the watch's patterns.

NativeScript/nativescript-cli,NativeScript/nativescript-cli,NathanaelA/nativescript-cli,NativeScript/nativescript-cli,NativeScript/nativescript-cli,NathanaelA/nativescript-cli,NathanaelA/nativescript-cli,NathanaelA/nativescript-cli