Moves git-compatible content from Nextcloud
(Botomir/Projekte/Angefangen/Kino-Projekt) into this repo per cleanup
request, under nextcloud-import/ to avoid colliding with the actively
maintained backend/frontend/worker layout:
- status/planning docs (Botomir-Status.md, Plan-Botomir.md, Projektbeschreibung.md)
- docs/ (deployment.md, provider-policy.md)
- backend-nextcloud-variant/ (older app/ layout, kept for reference only)
- plugin.video.xstream/, script.module.xstreamscraper/ (vendored Kodi addon source)
A third-party Firefox extension folder was intentionally left in Nextcloud
(unrelated vendor code, not project source).