Routing 18 src/routes/+page.svelte -> / 1 >Hello and welcome to my site!1 > About my site src/routes/about/+page.svelte -> /about 1 >About this site1 > TODO... Home src/routes/blog/[slug]/+page.svelte -> blog/hoge <br/>/** @type {import('./$types').PageData} */<br/>export let data;<br/> 1 >{data.title}1 > {@html data.content} SvelteKit 用 src/routes URL +error.svelte +layout.svelte API +server.js URL