Add laptop settings

system/roles/laptop/touchpad.nix

@@ -0,0 +1,22 @@
+{
+  services.xserver.libinput = {
+    # enable libinput
+    enable = true;
+
+    # disable mouse acceleration
+    mouse = {
+      accelProfile = "flat";
+      accelSpeed = "0";
+      middleEmulation = false;
+    };
+
+    # touchpad settings
+    touchpad = {
+      naturalScrolling = false; # I'm weird like that
+      tapping = true;
+      clickMethod = "clickfinger";
+      horizontalScrolling = true;
+      disableWhileTyping = true;
+    };
+  };
+}