Fix remaps which broke because of delay-less sequences

As noted in [https://github.com/k0kubun/xremap/issues/294](xremap#294)
Wayland doesn't handle delay-less sequences properly. The workaround is
to add a delay, this fixed remaps in text boxes in particular.

macOS.yaml

@@ -1,4 +1,7 @@
 ---
+# Wayland doesn't handle delay-less sequences properly, insert a delay.
+keypress_delay_ms: 20
+
 keymap:
   - name: Terminal remaps
     application:
@@ -36,8 +39,8 @@ keymap:
 
       # TODO: Move cursor one word left/right
       # Doesn't work for some reason
-      # Alt-Left: Ctrl-Left
+      Alt-Left: Ctrl-Left
-      # Alt-Right: Ctrl-Right
+      Alt-Right: Ctrl-Right
 
   - name: Firefox remaps
     application: