import { attainCors } from "https://deno.land/x/cors@v1.2.2/attainCors.ts";
attainCors middleware wrapper
type
<RequestT extends Req = any, ResponseT extends Res = any, MiddlewareT extends (request: RequestT, response: ResponseT) => any = any>(o?: CorsOptions | CorsOptionsDelegate<RequestT>) => unknown