Agentic AI guides and resources

What this post added

This post introduces and elaborates on agentic AI, defining it as AI that can take independent action and execute multi-step plans. It highlights various GitLab blog posts and resources related to agentic AI, including the GitLab Duo Agent Platform, GitLab Duo with Amazon Q, and best practices for implementing AI agents. Specific technical advancements mentioned include custom agents, knowledge graph context, pipeline auto-fixing, AI-powered test generation, code review acceleration, and automated implementation of code review feedback.