The html_last_updated_fmt option is interpeted as a byte string in python3, make it utf-8 string. Change-Id: I7ba038ea1bca354681f973d68c06eb3c4bfa6e29
This adds the repo for api-ref for mistral api reference. The api can be documented in the files added. Change-Id: I624abe6caee01e577ff8cda1660cbd8722856135 Partial-Implements: blueprint mistral-api-ref