added flapak repo

configuration.nix

@@ -92,6 +92,14 @@ in
 	# Allow Flatpak
 	services.flatpak.enable = true;
 
+  systemd.services.flatpak-repo = {
+    wantedBy = [ "multi-user.target" ];
+    path = [ pkgs.flatpak ];
+    script = ''
+      flatpak remote-add --if-not-exists flathub https://dl.flathub.org/repo/flathub.flatpakrepo
+    '';
+  };
+
 	# Allow unfree packages
 	nixpkgs.config.allowUnfree = true;