Fix: Docs updates and include build artifacts

[steipete]

Summary

• Fix screenshot path and reorder sections in README for better readability
• Include dist artifacts in the repository and update .gitignore accordingly

Test plan

• Verify README correctly displays the screenshot
• Confirm dist artifacts are properly included

🤖 Generated with Claude Code

[Copilot]

Pull Request Overview

This PR updates the documentation by fixing the screenshot path and reordering sections for improved readability, and includes build artifacts.

• Updated the screenshot path in README.md from "screenshot.png" to "docs/screenshot.png".
• Reordered and reinserted the "Key Use Cases" section within the README.

Comments suppressed due to low confidence (2)

README.md:7

• Verify that the updated screenshot path 'docs/screenshot.png' corresponds to the correct location and that the screenshot file is available in the repository as expected.

<img src="docs/screenshot.png" width="600" alt="Screenshot">

README.md:144

• [nitpick] Ensure that the reordering of the 'Key Use Cases' section aligns with the overall documentation structure and update any related internal links or table of contents accordingly.

## Key Use Cases