refactor: Move user config into modules/

modules/home/users.nix

@@ -0,0 +1,19 @@
+{ config, lib, pkgs, ... }:
+
+let
+  # TODO: Move to a fucking utility library already!
+  listNixFilesInDirectory = dir:
+    builtins.attrNames
+      (lib.filterAttrs
+        (k: _v: lib.hasSuffix ".nix" k)
+        (builtins.readDir dir));
+in {
+  imports =
+    (builtins.concatMap
+      (user:
+        builtins.map
+          (module:
+            ./users/${user}/${module})
+          (listNixFilesInDirectory ./users/${user}))
+      (builtins.attrNames (builtins.readDir ./users)));
+}