Implemented basic, deno KV backed, file service.

src/server.ts

@@ -0,0 +1,9 @@
+import { Application } from "https://deno.land/x/oak/mod.ts";
+
+const app = new Application();
+
+app.use((ctx) => {
+  ctx.response.body = "Hello World!";
+});
+
+await app.listen({ port: 9000 });