- Move GUI applications from users/jsutter.nix to appropriate desktop modules:
* office.nix: slack, signal-desktop
* gaming.nix: discord, stremio
* plasma.nix: arc-theme, pinentry, tigervnc
* dev.nix: putty
* media.nix (new): vlc, deluge
- Create systems/common-headless.nix for server configurations:
* Remove GUI dependencies (Flatpak, XDG portals, fonts, graphics drivers)
* Include only essential CLI tools and server packages
* Disable X server completely
- Simplify skip01 configuration:
* Remove Intel graphics drivers and OpenGL support
* Use headless common configuration
* Keep unified users/jsutter.nix (no split files)
- Update flake.nix to include new media.nix module in desktop systems
Result: Clean separation between desktop and headless configurations
with improved modularity and maintainability.
