refactor: major config changes

hosts/dnsc-air/default.nix

@@ -26,13 +26,19 @@
   nix.settings.trusted-users = [ "dennis" ];
 
   # Device specific overlays
-  nixpkgs.overlays = [];
+  nixpkgs.overlays = [ ];
 
   # System Packages
   environment.systemPackages = lib.mkAfter (
     with pkgs;
     [
       rsync
+      # Some global devtools that are
+      # not included in project flakes
+      tree-sitter
+      nil
+      stylua
+      lua-language-server
     ]
   );
 
@@ -73,5 +79,8 @@
   };
 
   nix.enable = false;
-  nix.settings.experimental-features = [ "nix-command" "flakes" ];
+  nix.settings.experimental-features = [
+    "nix-command"
+    "flakes"
+  ];
 }