added aagl flake, implemeneted into gaming apps module

flake.nix

@@ -13,6 +13,10 @@
     };
     ghostty.url = "github:ghostty-org/ghostty";
     rust-overlay.url = "github:oxalica/rust-overlay";
+    aagl = {
+      url = "github:ezKEa/aagl-gtk-on-nix";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
   };
 
   outputs = inputs @ {
@@ -23,6 +27,7 @@
     home-manager,
     ghostty,
     rust-overlay,
+    aagl,
     ...
   }: let
     userName = "wyatt";
@@ -34,6 +39,7 @@
     myOverlays = { ... }: {
       nixpkgs.overlays = [
         rust-overlay.overlays.default
+        aagl.overlays.default
         self.common.overlays
       ];
     };
@@ -72,7 +78,7 @@
     nixosConfigurations."cloud" = nixpkgs.lib.nixosSystem {
       system = "x86_64-linux";
       specialArgs = {
-        inherit userName userEmail ghostty;
+        inherit userName userEmail ghostty aagl;
         hostname = "cloud";
         role = "devel";
       };