Add entry about ClientSession management inside server (#2222)
Add entry about ClientSession management inside server (#2222)

* add entry about ClientSession management inside server

* fix class path and formating

hellysmile/aiohttp,rutsky/aiohttp,arthurdarcet/aiohttp,KeepSafe/aiohttp,Eyepea/aiohttp,arthurdarcet/aiohttp,KeepSafe/aiohttp,rutsky/aiohttp,hellysmile/aiohttp,pfreixes/aiohttp,pfreixes/aiohttp,rutsky/aiohttp,arthurdarcet/aiohttp,KeepSafe/aiohttp,playpauseandstop/aiohttp