chore: update readme.md

modules/README.md

@@ -1,3 +1,13 @@
 <h1 align="center">:electric_plug: modules</h1>
 
-this directory hosts some common modules / services / security tweaks used on (most) hosts.
+this directory hosts some common modules / services / security tweaks used on (most) hosts.
+
+name            | description
+--------------- | -----------
+`default`       | used for commonly shared modules, for multiple home-manager configs
+`fonts`         | font handling
+`greetd`        | login manager
+`networking`    | common network configuration
+`security`      | stolen from [hlissner](https://github.com/hlissner)
+`swayidle`      | idle manager daemon
+`udevd`         | fixes an issue when using `nixos-rebuild`, tracked [here](https://github.com/NixOS/nixpkgs/issues/180175)