better organisation, zen browser config started

flakes/home-manager.nix

@@ -7,5 +7,10 @@
     inputs.home-manager.packages.${system}.default
   ];
 
-  home-manager.sharedModules = [ inputs.plasma-manager.homeManagerModules.plasma-manager ];
+  home-manager.backupFileExtension = ".bak";
+
+  home-manager.sharedModules = [
+    inputs.plasma-manager.homeManagerModules.plasma-manager
+    inputs.zen-browser.homeModules.beta
+  ];
 }