v1.0.0

Add phpstan and resolve errors (#1)

* Add phpstan

* Add .gitignore

* Resolve phpstan errors

* Add github workflow for phpstan

* Add description to composer.json

* Use IPackages contract instead of Application instance

* #1 Resolve conversations

* Remove larastan

Co-authored-by: Amir.h Yeganemehr <yeganemehr@yahoo.com>