Automation AI & experiments

Operations for automation ai & experiments.

• GETExperiments a automation/api/v1/automations/{automation}/experiments
• POSTPropose (automation)/api/v1/automations/assistant/propose
• POSTCreate a automation/api/v1/automations/{automation}/assistant/email/{node}
• POSTPromote a automation/api/v1/automations/{automation}/experiments/{node}/promote
• POSTExplain (automation)/api/v1/automations/{automation}/runs/{run}/assistant/explain