warp: Add .ghci
warp: Add .ghci

This makes it more convenient to run tests withing GHCi.

sol/wai,ygale/wai,tolysz/wai,jberryman/wai,coypoop/wai,AndrewRademacher/wai,creichert/wai,erikd/wai,tolysz/wai,kazu-yamamoto/wai,beni55/wai,yesodweb/wai,sol/wai,soenkehahn/wai,frontrowed/wai,soenkehahn/wai,urbanslug/wai,awpr/wai,sordina/wai,beni55/wai,rgrinberg/wai,jberryman/wai,sordina/wai,creichert/wai,utdemir/wai,jberryman/wai,urbanslug/wai,AndrewRademacher/wai,ygale/wai,beni55/wai,kazu-yamamoto/wai,mfine/wai,ygale/wai,beni55/wai,tolysz/wai,mfine/wai,dylex/wai,erikd/wai,soenkehahn/wai,sordina/wai,coypoop/wai,sol/wai,iquiw/wai,iquiw/wai,frontrowed/wai,AndrewRademacher/wai,utdemir/wai,jberryman/wai,awpr/wai,dylex/wai,yesodweb/wai,utdemir/wai,rgrinberg/wai,coypoop/wai,soenkehahn/wai,frontrowed/wai,urbanslug/wai,tolysz/wai,mfine/wai,awpr/wai,iquiw/wai,iquiw/wai,urbanslug/wai,dylex/wai,ygale/wai,sordina/wai,frontrowed/wai,rgrinberg/wai,utdemir/wai,rgrinberg/wai,AndrewRademacher/wai,coypoop/wai,awpr/wai,rgrinberg/wai,mfine/wai,dylex/wai,erikd/wai,erikd/wai