sketch out a module that can add files to a homedir

nix/base-system/modules/home.nix

@@ -0,0 +1,24 @@
+{ config, lib, pkgs, ...}:
+with lib;
+let
+    userFiles = mapAttrs (u: fs: (filter (f: f.enable) (attrValues fs))) (attrValues config.homeDir);
+in
+{
+   options = {
+    homeDir = mkOption {
+        default = {};
+        description = ''
+            Users with files to link into their homedirectory.
+            { "user1" = {
+                ".git/config" = {
+                    enable = true;
+                };
+              };
+            };
+        '';
+    };
+   };
+
+   config = {
+   };
+}