added fully working astro example

examples/astro/src/pages/api/[...api].ts

@@ -0,0 +1,18 @@
+import type { APIRoute } from "astro";
+import { App } from "bknd";
+
+export const prerender = false;
+
+export const ALL: APIRoute = async ({ request }) => {
+   const app = App.create({
+      connection: {
+         type: "libsql",
+         config: {
+            url: "http://127.0.0.1:8080"
+         }
+      }
+   });
+
+   await app.build();
+   return app.fetch(request);
+};