system/machine: configure mouse and touchpad

system/machine/asus_gl553vd/default.nix

@@ -29,6 +29,16 @@ in
     };
   };
 
-  # Enable touchpad support (enabled default in most desktopManager).
+  services.xserver = {
-  services.xserver.libinput.enable = true;
+    libinput = {
+      enable = true;
+      mouse = {
+        accelSpeed = "1.0";
+      };
+      touchpad = {
+        accelSpeed = "1.0";
+        disableWhileTyping = true;
+      };
+    };
+  };
 }