Update doc, add section about url building for routes
Update doc, add section about url building for routes

KeepSafe/aiohttp,AlexLisovoy/aiohttp,vaskalas/aiohttp,arthurdarcet/aiohttp,singulared/aiohttp,jojurajan/aiohttp,juliatem/aiohttp,decentfox/aiohttp,jashandeep-sohi/aiohttp,decentfox/aiohttp,rutsky/aiohttp,elastic-coders/aiohttp,z2v/aiohttp,AlexLisovoy/aiohttp,iksteen/aiohttp,andyaguiar/aiohttp,moden-py/aiohttp,rutsky/aiohttp,moden-py/aiohttp,mind1master/aiohttp,danielnelson/aiohttp,singulared/aiohttp,arthurdarcet/aiohttp,alex-eri/aiohttp-1,Srogozins/aiohttp,KeepSafe/aiohttp,esaezgil/aiohttp,hellysmile/aiohttp,jettify/aiohttp,rutsky/aiohttp,jojurajan/aiohttp,panda73111/aiohttp,jashandeep-sohi/aiohttp,jettify/aiohttp,alexsdutton/aiohttp,arthurdarcet/aiohttp,panda73111/aiohttp,decentfox/aiohttp,Eyepea/aiohttp,alex-eri/aiohttp-1,avanov/aiohttp,mind1master/aiohttp,mind1master/aiohttp,elastic-coders/aiohttp,alunduil/aiohttp,z2v/aiohttp,z2v/aiohttp,vedun/aiohttp,pfreixes/aiohttp,Insoleet/aiohttp,jashandeep-sohi/aiohttp,flying-sheep/aiohttp,esaezgil/aiohttp,esaezgil/aiohttp,sterwill/aiohttp,pfreixes/aiohttp,AraHaanOrg/aiohttp,playpauseandstop/aiohttp,alexsdutton/aiohttp,pathcl/aiohttp,morgan-del/aiohttp,vasylbo/aiohttp,elastic-coders/aiohttp,panda73111/aiohttp,alex-eri/aiohttp-1,singulared/aiohttp,vaskalas/aiohttp,KeepSafe/aiohttp,moden-py/aiohttp,juliatem/aiohttp,jettify/aiohttp,hellysmile/aiohttp,vaskalas/aiohttp,noodle-learns-programming/aiohttp,iksteen/aiohttp,AraHaanOrg/aiohttp