Vue frontend for Project area (and other stuff)

[Katrix]

Supersedes #930

This PR includes a lot of changes to get us closer to Ore 2.0.0.

• Channels are gone
• Recommended versions are gone
• Added stability version tags
• API endpoint to create project
• API endpoint to edit projects
• API endpoint to edit versions
• API endpoint to set version tags
• API endpoint to do a dry run for deploy
• APIv1 now uses promoted versions in place of recommended versions

Let's mark a few issues as fixed by this: Fixes #213 Fixes #294 (only possible to filter by platform. We need an DownloadIndexer API to allow minecraft version) Fixes #462 Fixes #520 Fixes #615 Fixes #766 Fixes #935 Fixes #437 Fixes #260 Fixes #799 Fixes #510

Should not be merged in a squash commit. Don't work on this branch directly. Instead create other PRs targeting this branch.