Use semver for Shopware 6 binary version selection

Test Github Actions (#14)

* Create phpunit.yml

* Update phpunit.yml

* Update phpunit.yml

* Update phpunit.yml

* Add release pipeline

* Fix ident

* Update phpunit.yml

* Delete .travis.yml

Max Version Fix and Improve Plugin Name reading

Thanks to @bilobait-lorenz

store.json, Shopware Platform support

• Plugin Uploading for Platform Plugins now possible
• More meta informations can be now defined with a store.json in Resources folder

Highlights and Features support

Thanks to @bilobait-lorenz

Markdown Support

0.1.1

Added Markdown support

0.1.0

Add download resources command