Update readme-facebook.md
Update readme-facebook.md
EliKrumholz/botkit,DJ1K1/botkit,dhulser/slack-reporting-bot,howdyai/botkit,howdyai/botkit,samuelsan/YelpBot,DJ1K1/botkit,acrollet/botkit,ouadie-lahdioui/botkit,howdyai/botkit,healthchatnow/hcn,howdyai/botkit