Also add Utils script

autoloads/utils.gd

@@ -0,0 +1,7 @@
+extends Node
+
+func get_external_freq_param():
+	match OS.get_name():
+		"web":
+			return JavaScriptBridge.eval("new URL(window.location.href).searchParams.get('freq')")
+	return null

autoloads/utils.gd.uid

@@ -0,0 +1 @@
+uid://ua7dk3y0v21e