[vega] Update config; make gui config generic. [nvim] Use Snacks smart finder instead of fzf and avoid race condition

system/features/gui.nix

@@ -0,0 +1,29 @@
+{ ... }: {
+  # Enable the X11 windowing system and a display manager
+  services.xserver = {
+    enable = true;
+    displayManager.gdm = {
+      enable = true;
+      wayland = true;
+    };
+    # displayManager.sddm = {
+    #   enable = true;
+    #   wayland.enable = true;
+    # };
+
+    # Configure keymap in X11
+    xkb = {
+      layout = "us";
+      variant = "";
+    };
+  };
+  # services.displayManager.ly.enable = true;
+
+  # Enable Hyprland so it shows up in the menu
+  programs.hyprland = {
+    enable = true;
+    withUWSM = true;
+    xwayland.enable = true;
+  };
+
+}