DialogFlow ASR Channel

[rgstephens]

What problem are you trying to solve?

Support Dialogflow ASR as a voice channel for Rasa. The channel supports the Dialogflow fullfillment webhook.

What's your suggested solution?

No response

Examples (if relevant)

No response

Is anything blocking this from being implemented? (if relevant)

I have a working channel that I can submit as a PR.

Definition of Done

No response