modules: added wakatime module stub

modules/wakatime/default.nix

@@ -0,0 +1,4 @@
+_: {
+  home = ./home.nix;
+  # nixos: ./nixos.nix;
+}

modules/wakatime/home.nix

@@ -0,0 +1,16 @@
+{
+  inputs,
+  config,
+  lib,
+  pkgs,
+  fetchFromGitHub,
+  ...
+}:
+let
+  cfg = config.modules.wakatime;
+in
+{
+  options.modules.wakatime = {
+    enable = lib.mkEnableOption "wakatime";
+  };
+}