breaking(Addon Suite Upgrade): Move to new ServerPackCreator addon suite. Provide examples for all extension endpoints.  Examples for ConfigCheck-, ConfigPanel-, Tab-, PreGen-, PreZip- and PostGen extensions, global addon configuration, extension configuration and more.

ci(branches): Add different branches to releases and tests, so people can download the different examples and use them.

ci: GitHub workflows for documentation, release mirroring from GitLab upon tag push, greetings and sponsor labels for issues