feat: introduction of system_profiles

modules/default.nix

@@ -2,11 +2,16 @@
   imports = [
     ./accessibility.nix
     ./customisation.nix
+
+    # should only be imported directly or via system_profiles
+    #./dhcp-all-interfaces.nix
+
     ./environment.nix
     ./firewall.nix
     ./locale.nix
     ./networking.nix
-    #./plymouth.nix
+    #./plymouth.nix # increases boot time too much
+    #./serial-console.nix # probably only for servers
     ./theming.nix
   ];
 }