Add Yannick Koechlin to contributors list
Add Yannick Koechlin to contributors list

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