Yashasvi Sinha

Results 2 issues of Yashasvi Sinha

This fixes #13 regarding the Google Account Linking feature.

When using [Google Assistant Account Linking](https://developers.google.com/actions/identity/), each subsequent request to the webhook has "idToken" field under `originalDetectIntentRequest.payload.user` which has the user information token. The "idToken" is specific to DialogFlow.