profiles/desktop: Migrate from configuration

profiles/desktop/networking.nix

@@ -0,0 +1,20 @@
+{ config, lib, ... }:
+
+with lib;
+
+{
+
+  config = mkIf config.profiles.clerie.desktop.enable {
+
+    networking.networkmanager.settings = {
+      connectivity = {
+        uri = "http://ping.clerie.de/nm-check.txt";
+      };
+      global-dns = {
+        searches = "net.clerie.de";
+      };
+    };
+
+  };
+
+}