Docker improvements:
- Fixed entrypoint script to properly handle UID/GID changes
- Simplified user/group recreation logic to avoid conflicts
- Properly handles switching between different UID/GID values
Cleanup:
- Removed temporary test scripts and files
- Removed PROXMOX_ENDPOINTS.md documentation
- Cleaned up various test Python and shell scripts
Docker testing confirmed:
- Data persistence working across restarts
- UID/GID configuration working correctly
- Volume backup/restore functioning properly
- Fixed Docker entrypoint to properly handle running as root (PUID=0)
- Improved alert history loading to handle permission errors gracefully
- Container now correctly runs as root when PUID=0 is set
- Alert history continues loading even if backup file has permission issues
Addresses #266 and #262
- Removed PBS summary card from Dashboard and Backups tabs (not needed)
- Fixed backup frequency chart to use local timezone instead of UTC
- Chart now properly includes today in the date range
- Dates display according to user's browser timezone
