switch to directly importing post, and install static adapter

src/routes/index.svelte

@@ -0,0 +1,20 @@
+<script context="module">
+    export async function load({ fetch }) {
+        const resp = await fetch('/all.json');
+        const allPosts = (await resp.json());
+        const post = await import(`./_posts/${allPosts[0].slug}.svx`);
+        return {
+            props: {
+                meta: post.metadata,
+                body: post.default,
+            }
+        }
+    }
+</script>
+
+<script>
+    import BlogPost from './[slug].svelte';
+    export let meta, body;
+</script>
+
+<BlogPost {meta} {body}></BlogPost>