home: create 'modules/home' folder

Consolidating all modules under the same path, to clear out the
top-level directory.

modules/home/bitwarden/default.nix

@@ -0,0 +1,27 @@
+{ config, lib, ... }:
+let
+  cfg = config.my.home.bitwarden;
+in
+{
+  options.my.home.bitwarden = with lib; {
+    enable = my.mkDisableOption "bitwarden configuration";
+
+    pinentry = mkOption {
+      type = types.str;
+      default = "tty";
+      example = "gtk2";
+      description = "Which pinentry interface to use";
+    };
+  };
+
+  config = lib.mkIf cfg.enable {
+    programs.rbw = {
+      enable = true;
+
+      settings = {
+        email = lib.my.mkMailAddress "bruno" "belanyi.fr";
+        inherit (cfg) pinentry;
+      };
+    };
+  };
+}