Callbacks

• The webhook part in the Agent Assist configurator changed and is now called "Callback function"

• You can now specify key values for payload headers, it can be used for configurating basic authentication as well as pass certains other things. 
• You can now also specify whether you prefer sending a payload at end of call, continuously, or both.
• Custom generations can also now be included in the payload if needed. 
• SCV now has a proper toggle to activate, settings are handled by Engage.