1.0.0

Add phpstan and resolve errors (#1)

* Add phpstan

* Add .gitignore

* Add description to composer.json

* Add Jalno\Lumen autoload to register It's service providers

* Resolve phpstan errors

* Add github workflow for phpstan

* fix phpstan errors

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