⚗️🚧 (modules/flake) Update easy-hosts config and flake module args

modules/flake/default.nix

@@ -0,0 +1,10 @@
+{
+  imports = [
+    # Automagically imports overlays from "/overlays/overlay-name" and applies them to pkgs.
+    # Also applies some other useful arguments, like namespace, to all flake modules.
+    ./arguments.nix
+
+    # Automagically imports systems from "/systems/arch-classname/system-name".
+    ./systems.nix
+  ];
+}