feat: add Angular 9 and Ivy support #99 #101 (#102)

* Added angular dev kit

* Updated to angular 9

* Reverting changes

* Made type changes

* Upgraded to angular 9

* Added npm ignore file

* Added factory for sharedstyles host

* Deleted npmignore file

* Added comment

* Update styles/src/shadycss/shared-styles-host.ts

Co-Authored-By: Liz Mitchell <asyncliz@gmail.com>

Co-authored-by: Liz Mitchell <asyncliz@gmail.com>