add auto-onboard functionality to sdk

[jonathanfeng-scale]

Pull Request Summary

adds response_schema and auto_onboard_enabled as properties to project-template class

adds helper methods to get response_schema and auto_onboard_enabled values

bumps version up

Description

adds response_schema and auto_onboard_enabled as properties to project-template class

adds helper methods to get response_schema and auto_onboard_enabled values

How did you test your code?

tested locally since feature is gated behind feature-flag

Checklist

Please make sure all items in this checklist have been fulfilled before sending your PR out for review!

• I have commented my code in details, particularly in hard-to-understand areas
• I have updated Readme.rst document with examples for newly implemented public methods
• I have reviewed Deployment and Publishing Guide for Python SDK document
• I incremented the SDK version in _version.py (unless this PR only updates the documentation).
• In order to release a new version, a "Release Summary" needs to be prepared and published after the merge