feat: update hyprland, helix, bootloader and other configs

Changelog:
- autostart: remove hypridle from autostart script
- helix: add copilot LSP for Rust, JS/TS variants
- hyprland:
  - Refactor window rules with regex patterns
  - Update brightness controls for intel_backlight
  - Adjust pyprland scratchpad configurations
- bootloader:
  - Add i915 kernel modules
  - Disable initrd verbose logging
- greetd: update tuigreet command to use uwsm
- hyprland: enable hyprlock, hypridle services
- linux-kernel: add security hardening params
- ollama: add new LLM models (gemma3, deepcoder)
- utils: add sqlx-cli and kitty
- kitty: add config
- virtualisation:
  - Add lima, nerdctl
- vpn:
  - Enable mullvad VPN
  - Add mullvad and tor browsers
- stylus-themes: update to latest

nixos/vpn.nix

@@ -7,5 +7,8 @@
 
   environment.systemPackages = with pkgs; [
     mullvad-closest
+
+    mullvad-browser
+    tor-browser
   ];
 }