WIP: Integration branch with darwin and deck support

- Added darwin and jovian inputs
- Added platform-specific package configurations
- Added darwinConfigurations and deck nixosConfiguration
- Copied darwin and deck specific files
- Fixed darwin version compatibility

Some configurations still need debugging

hosts/deck/default.nix

@@ -0,0 +1,51 @@
+{ self, pkgs, config, ... }:
+{
+  imports = [
+    ./configuration.nix
+    ../users/anish
+    ../profiles/core
+    # ../profiles/bluetooth
+    # ../profiles/music
+    ../profiles/sync/cal
+    ../profiles/wifi
+    ../profiles/desktop
+    ../profiles/mimetypes
+    ../profiles/syncthing
+    ../profiles/mossnet-hosts
+    # ../profiles/fly-wg
+    # ../profiles/mount-mossnet
+  ];
+
+  # age.secrets.deck-wg.file = "${self}/secrets/deck-wg.age";
+  # age.secrets.deck-wg.owner = "deck";
+  # mossnet.wg = {
+  #   enable = true;
+  #   ips = [ "10.0.69.6/24" ];
+  #   privateKeyFile = "/run/agenix/deck-wg";
+  # };
+
+  users.users.anish.extraGroups = [ "adbusers" "wheel" "plugdev" "libvertd" ];
+  # boot.plymouth = {
+  #   enable = true;
+  #   themePackages = [ pkgs.plymouth-themes ];
+  #   theme = "motion";
+  # };
+
+  jovian.steam.enable = true;
+  jovian.devices.steamdeck.enable = true;
+  jovian.steam.user = "anish";
+  jovian.steam.autoStart = true;
+  jovian.steam.desktopSession = "gnome";
+  # jovian.steam.desktopSession = "none+bspwm";
+
+  # Install XR drivers
+  # environment.systemPackages = with pkgs; [
+  #   xrlinuxdriver
+  #   breezy-gnome
+  # ];
+
+  # services.udev.packages = with pkgs; [
+  #   xrlinuxdriver
+  # ];
+
+}