Noctalia shell, Yazi file manager, added and removed Ghostty, general configuration changes desktop side

modules/ghostty/default.nix

@@ -0,0 +1,7 @@
+{pkgs, ...}:
+{
+	programs.ghostty.enable = true;
+	programs.ghostty.settings = {
+		font-family = "Fira Code";
+	};
+}