* Add backend service configuration guide for reverse proxy trusted proxies
Many self-hosted services (Jellyfin, Home Assistant, Nextcloud, Plex)
require a "trusted proxies" or "known hosts" setting when behind a
reverse proxy. With NetBird, the proxy's IP is a dynamic NetBird IP
from 100.64.0.0/10 that can change on restart, so hardcoding it breaks.
This adds a new doc page with the recommended solution (trust the full
CGNAT range), per-service config examples, Docker bridge network
guidance, and a warning on the reverse proxy overview page.
* Update service-configuration.mdx and move/add images
* Fixing typos
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Co-authored-by: Brandon Hopkins <brandon@techhut.tv>