Expose commands through API or backchannel events

[microsoftly]

Right now it looks like the only way to trigger these commands is via text. Would it be possible to get this functionality exposed as part of the API, either explicitly or via passing in functions that determine whether or not a command should be executed?

[liliankasem]

Definitely on the to do list when I have time; feel free to make a PR if you get this going. In the mean time, I did add a new function in the npm module (0.2.0) to trigger the handoff manually e.g.

bot.dialog('/disconnect', (session)=>{
    handoff.triggerHandoff(session);
}).triggerAction({
    matches:  /^agent/i,
});