feat(Update Migrations): When updating from an older to a new version, perform necessary migrations on a step-by-step, version-to-version, basis

refactor(ApplicationProperties): Move load from constructor to loadProperties to ensure we always have the classpath-configurations available. When using alpha or beta releases, always check for newer version to prevent people getting stuck on old pre-releases.

improv(GUI): Server icon preview.Buttons to reset, revert clientside mods, copy directories and inspect modpackdirectory

improv(Extension Configuration Provision): Identify configuration to provide by addonID and extension ID to ensure we do not pass foreign configurations by accident.

improv(CLI Configuration Editor): Create, load, edit, check configurations in CLI mode `-cli` or `-cgen`

refactor(Application Plugins): Indent listing of installed addons/plugins and add example plugins for testing