Added Scheme as a ResponseMatcher for the fetchbot mux
Added Scheme as a ResponseMatcher for the fetchbot mux

PuerkitoBio/fetchbot,dullgiulio/fetchbot,vizewang/fetchbot,dullgiulio/fetchbot,suzuken/fetchbot,vizewang/fetchbot,abhishekgahlot/fetchbot,abhishekgahlot/fetchbot,firebitsbr/fetchbot,PuerkitoBio/fetchbot,suzuken/fetchbot,firebitsbr/fetchbot