Debug menu, reorganized game scene

resources/console_commands/help_command.gd

@@ -0,0 +1,15 @@
+class_name HelpCommand extends ConsoleCommand
+
+func get_command_name() -> String:
+	return "help"
+
+func get_help_text() -> String:
+	return "Lists all available commands"
+
+func run(args: Array, context: Dictionary) -> String:
+	var commands: Array = context["commands"]
+	var lines: PackedStringArray = []
+	for command: ConsoleCommand in commands:
+		lines.append("%s - %s" % [command.get_command_name(), command.get_help_text()])
+	lines.append("Any other input is evaluated as a GDScript expression.")
+	return "\n".join(lines)