Add trackpad support

configuration.nix

@@ -50,6 +50,13 @@ in
   services = {
     xserver = {
       enable = true;
+      libinput = {
+        enable = true;
+        touchpad = {
+          naturalScrolling = true;
+          tapping = true;
+        };
+      };
       displayManager = {
       	lightdm.enable = true;
         #sddm.enable = true;