Add replyAcknowledge to docs
Add replyAcknowledge to docs

ouadie-lahdioui/botkit,howdyai/botkit,dhulser/slack-reporting-bot,DJ1K1/botkit,DJ1K1/botkit,howdyai/botkit,healthchatnow/hcn,howdyai/botkit,samuelsan/YelpBot,howdyai/botkit,EliKrumholz/botkit,acrollet/botkit