Add github action workflow for tests and playlist acl tests (#1097)

* Fix studip perm checks

* Tests: Add configurations with environment variables

Furthermore, adds some fixes

* Add playlist acl tests

* Add github action workflow for tests

Includes docker compose setup for studip and opencast. Adds more configs and adjustments to the tests.

* Run on every push

* Add npm script for dev build

* Allow read, write and execute permission for all users

* Run tests when pushing changes on master or create pull request against master

* Remove useless comments