reduced global nadeko startup wait, added a callback on when the IsReady flag is set to true
reduced global nadeko startup wait, added a callback on when the IsReady flag is set to true

Midnight-Myth/Mitternacht-NEW,Youngsie1997/NadekoBot,Nielk1/NadekoBot,Midnight-Myth/Mitternacht-NEW,Midnight-Myth/Mitternacht-NEW,Track44/Nadeko,gfrewqpoiu/NadekoBot,Midnight-Myth/Mitternacht-NEW,N1SMOxGT-R/NeoBot,justinkruit/DiscordBot,WoodenGlaze/NadekoBot,Reiuiji/NadekoBot,halitalf/NadekoMods,PravEF/EFNadekoBot,Taknok/NadekoBot,Grinjr/NadekoBot,Blacnova/NadekoBot,shikhir-arora/NadekoBot,N1SMOxGT-R/NeoBot,dtshady/NadekoBot,Uleyethis/FightBot,powered-by-moe/MikuBot,rumlefisk/NadekoBot,miraai/NadekoBot,kyoryo/DiscordBot,kyoryo/DiscordBot,blitz4694/NadekoBot,kyoryo/DiscordBot,dtshady/NadekoBot,justinkruit/WIABot,ScarletKuro/NadekoBot,ShadowNoire/NadekoBot,blitz4694/NadekoBot