refactor: moved darwin, home-manager, and system configurations to dendrite pattern

modules/home-manager/programs/bitwarden.nix

@@ -0,0 +1,29 @@
+{...}: {
+  flake.homeModules.home-manager-bitwarden = {
+    lib,
+    pkgs,
+    config,
+    ...
+  }: {
+    options.programs.bitwarden = {
+      enable = lib.mkEnableOption "enable bitwarden";
+    };
+
+    config = lib.mkIf config.programs.bitwarden.enable (lib.mkMerge [
+      {
+        home.packages = with pkgs; [
+          bitwarden-desktop
+        ];
+      }
+      (
+        lib.mkIf config.impermanence.enable {
+          home.persistence."${config.impermanence.persistencePath}" = {
+            directories = [
+              "${config.xdg.configHome}/Bitwarden"
+            ];
+          };
+        }
+      )
+    ]);
+  };
+}