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/darwin/sketchybar/default.nix

@@ -0,0 +1,10 @@
+{ pkgs, ... }:
+
+{
+  services.sketchybar = {
+    enable = true;
+    config = (builtins.readFile ./sketchybarrc);
+    extraPackages = [ pkgs.jq ];
+  };
+
+}