adding few forgotten parts

.local/bin/focus-window-by-id.sh

@@ -0,0 +1,4 @@
+#!/bin/bash
+APP_ID=$1
+WINDOW_ID=$(niri msg -j windows | jq "[.[] | select(.app_id==\"${APP_ID}\")][0].id")
+niri msg action focus-window --id ${WINDOW_ID}