Quickstart  example throws error.

Hello there, I tried the quick start guide and the example given. But this throws some unknown error.
```
error: Uncaught SyntaxError: The requested module 'https://deno.land/std@0.60.0/http/server.ts' does not provide an export named 'HTTPOptions'
  HTTPOptions,
  ^
    at <anonymous> (https://deno.land/x/ako@1.0.0-beta.2/deps.ts:5:3)

```