stackedit collaps support details tag

fix.md

use custom template

{{{files.0.content.html}}}
<script>
document.querySelectorAll('.step-details').forEach(item=>{
item.outerHTML=`<details>${item.innerHTML}</details>`
})
document.querySelectorAll('.step-summary').forEach(item=>{
item.outerHTML=`<summary>${item.innerHTML}</summary>`
})
if (document.querySelector('details')) {
	let md = document.querySelector('details').parentNode
	md.innerHTML = md.innerHTML.replaceAll(
			/<\/summary>\n<\/details>/g, '<\/summary>').replaceAll(
			/<br.+?end\-step\-details.+?>/g, '<\/details>')
}
</script>

render example

pre content

<div class="step-details">
<div class="step-summary">北京两日游</div>

DAY1
上午：天安门-故宫

DAY2
上午：鸟巢、水立方
下午：中国科学技术馆

<br class="end-step-details">

after content