readme: update the order of accepted functions(#958)

Update the order of accepted functions so that it matches the following blocks of text.
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Aesop Wolf 2017-04-14 10:50:31 -07:00 committed by jongleberry
parent 7bd82ac410
commit cb12aa8ae5

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@ -47,8 +47,8 @@ app.listen(3000);
Koa is a middleware framework that can take two different kinds of functions as middleware:
* common function
* async function
* common function
Here is an example of logger middleware with each of the different functions: