clarify what the default stack is

This concerns the default middleware as well. So my thinking was we could list the default middleware, but then if and when that changed in the future it would have to be updated here as well.


> On Oct 5, 2014, at 12:16 PM, Mislav Marohnić <notifications@github.com> wrote:
> 
> In README.md:
> 
> > @@ -57,10 +57,10 @@ conn.get do |req|
> >  end
> >  ```
> >  
> > -If you don't need to set up anything, you can roll with just the bare minimum:
> > +If you don't need to set up anything, you can roll with just the default middleware
> > +stack and default adapter (see [Faraday::RackBuilder#initialize](https://github.com/lostisland/faraday/blob/master/lib/faraday/rack_builder.rb)):
> Uhh wouldn't it be better to actually state what the default middleware is and that the default adapter is taken from Faraday.default_adapter (defaulting to net/http), instead of sending people to read the source code?
> 
> —
> Reply to this email directly or view it on GitHub.