add chromim module

modules/default.nix

@@ -9,6 +9,7 @@ let
     base_services
     boot
     core
+    chromium
     easyroam
     myStylix
     packages

modules/system/programs/chromium.nix

@@ -0,0 +1,11 @@
+{ ... }: {
+  flake.nixosModules.chromium = {
+    programs.chromium = {
+      enable = true;
+      extensions = [
+        "nngceckbapebfimnlniiiahkandclblb" # bitwarden
+        "ddkjiahejlhfcafbddmgiahcphecmpfh" # ublock origin lite
+      ];
+    };
+  };
+}