Update interactivity/using-ai-powered-insights-rest-service.md

docs: make the ai-related snippets use tabs and add introductions for each of them
docs: add custom aiclient article
docs: add demo links
Update interactivity/configuring-ai-powered-insights.md
Update interactivity/custom-iclient.md

Co-Authored-By: Copilot <[email protected]>

Author: 2 people