Add versionadded to add_static() for chunk_size
Add versionadded to add_static() for chunk_size

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