Add AGENTS.md for repository overview and documentation structure

[UdaraWickramarathne]

This pull request adds a new documentation file, AGENTS.md, which provides an overview of the repository, its structure, and conventions. The file clarifies that the repository is documentation-only and outlines the contents and organizational standards followed.

Repository documentation improvements:

• Added AGENTS.md to describe the repository as documentation-only, summarize its structure, and specify conventions and licensing.## Purpose

Summary by CodeRabbit

• Documentation
  • Added comprehensive repository documentation describing structure, contents, documentation conventions, image handling, and Apache 2.0 licensing.
  • Added a short index file that points readers to the main repository documentation for quick reference.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro

Run ID: d4c786e7-bf70-40a2-b30c-50053536ff8f

📥 Commits

Reviewing files that changed from the base of the PR and between f5ff104 and e91613c.

📒 Files selected for processing (1)

• CLAUDE.md

✅ Files skipped from review due to trivial changes (1)

• CLAUDE.md

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Walkthrough

Added two documentation files: AGENTS.md (repository documentation for the "API Chat" VS Code extension) and CLAUDE.md (a pointer to AGENTS.md), describing repo contents, expected structure, conventions, and licensing.

Changes

Cohort / File(s)	Summary
Documentation AGENTS.md, CLAUDE.md	Added AGENTS.md documenting repository purpose, expected structure (key paths/files like README.md, docs/api-chat-extension/images/, templates), documentation conventions (WSO2 templates, image formats), and Apache-2.0 licensing. Added CLAUDE.md as a single-line pointer to AGENTS.md.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~3 minutes

Poem

🐰
I skitter through folders, soft and spry,
Placing signposts where README lies,
Two small leaves to guide the way,
Bright notes for folks who come to stay,
I hop, I tuck, documentation high.

🚥 Pre-merge checks | ✅ 2 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Description check	⚠️ Warning	The description is largely incomplete. It lacks most required sections from the template including Goals, Approach, User Stories, Release Notes, Documentation, Training, Certification, Marketing, Testing, Security, Samples, Related PRs, Migrations, and Learning sections.	Complete the PR description by filling in the required template sections. At minimum, provide clear Goals, Approach, Release Notes, Documentation impact assessment, and relevant testing/security information.

✅ Passed checks (2 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly and specifically summarizes the main change: adding AGENTS.md for repository documentation and structure overview.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests

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[CLAassistant]

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