Update react files on init()

alpine/5/rootfs/usr/local/bin/invoiceninja-init.sh

@@ -27,6 +27,7 @@ docker_process_init_files() {
 
 php artisan config:cache
 php artisan optimize
+php artisan ninja:react
 
 # Check if DB works, if not crash the app.
 DB_READY=$(php artisan tinker --execute='echo app()->call("App\Utils\SystemHealth@dbCheck")["success"];')