home: create 'modules/home' folder

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

modules/home/pager/default.nix

@@ -0,0 +1,21 @@
+{ config, lib, ... }:
+let
+  cfg = config.my.home.pager;
+in
+{
+  options.my.home.pager = with lib; {
+    enable = my.mkDisableOption "pager configuration";
+  };
+
+
+  config = lib.mkIf cfg.enable {
+    home.sessionVariables = {
+      # My default pager
+      PAGER = "less";
+      # Clear the screen on start and exit
+      LESS = "-R -+X -c";
+      # Better XDG compliance
+      LESSHISTFILE = "${config.xdg.dataHome}/less/history";
+    };
+  };
+}