Add route structure

src/routes/g/[slug]/[[timestamp]]/+page.svelte

@@ -0,0 +1,8 @@
+<script>
+  /** @type {import('./$types').PageData} */
+  export let data;
+</script>
+
+<h1>{data.title}</h1>
+<div>{@html data.content}</div>
+<img src={data.image} alt={data.title} />