feat(niri): Disable trackpad while typing

modules/home/users/crumb/niri.nix

@@ -87,6 +87,10 @@ in {
             accel-speed = -0.5;
             accel-profile = "flat";
           };
+          touchpad = {
+            # Disable while typing.
+            dwt = true;
+          };
           focus-follows-mouse.enable = true;
         };
         outputs."DP-1" = {
@@ -114,8 +118,8 @@ in {
           border = {
             enable = true;
             width = 2;
-            # Override Niri's Stylix integration.  Default uses Crystal Blue; we
-            # override it with Old White.
+            # Override Niri's Stylix integration.  Default uses Crystal Blue
+            # (from the Kanagawa palette); we override it with Old White.
             active.color = config.lib.stylix.colors.withHashtag.base06;
           };
           shadow = {