Feat kapa ai integration

[shrihari7396]

Overview

This PR integrates the Kapa.ai LLM-powered "Ask AI" widget into the Apache DolphinScheduler website. This will help users find answers to technical questions directly from the documentation, blog, and GitHub discussions.

Key Changes

• Core Integration: Added the Kapa.ai widget script to src/views/Layout/index.jsx.
• Project Configuration: Configured the widget with the official data-website-id for Apache DolphinScheduler.
• Branding: Set the widget's project name to "Apache DolphinScheduler", the primary color to #0097E0, and linked the official project logo.
• Bug Fix: Implemented a lightweight polyfill for crypto.randomUUID in the Layout component. This ensures the widget functions correctly in non-secure contexts (HTTP) often used during local development (localhost), resolving a TypeError that occurred previously.
• Optimization: Added script cleanup on component unmount and duplicate script injection prevention.

Verification

• Verified locally using npm run dev on http://localhost:3000.
• Confirmed the "Ask AI" button appears and the modal opens with correct branding.
• Successfully tested chat requests with the AI.
• Verified that the crypto.randomUUID error is resolved.

Visual Proof

[shrihari7396]

Hi maintainers, just checking if any changes are required from my side. I’d be happy to improve this PR.