flit.toml

["script[type='module']"]
action = "wrap"
template ='''
<div id="root">
	<button id="start_game">Start Game</button>
</div>
<script>
let content = `{{{}}}`;
document.addEventListener('DOMContentLoaded', () => {
  	document.getElementById('start_game').addEventListener('click', function() {
  		this.innerHTML = content
  	});
});
</script>'''