add example with async http requests
add example with async http requests

channelcat/sanic,channelcat/sanic,r0fls/sanic,yunstanford/sanic,ai0/sanic,channelcat/sanic,lixxu/sanic,jrocketfingers/sanic,ashleysommer/sanic,Tim-Erwin/sanic,ai0/sanic,yunstanford/sanic,lixxu/sanic,jrocketfingers/sanic,ashleysommer/sanic,yunstanford/sanic,lixxu/sanic,lixxu/sanic,Tim-Erwin/sanic,r0fls/sanic,ashleysommer/sanic,yunstanford/sanic,channelcat/sanic