Generate and add docs tape images

[murrayju]

Summary

• generate the existing VHS tapes and add the resulting GIFs under docs/images
• embed the generated screenshots in the TUI and usage docs pages
• update the tape outputs and generator to use docs/images and work in this environment

Testing

• ./docs/tapes/generate.sh
• ./bun run check (fails in src/services/dockerFiles.test.ts because Docker cannot register the Alpine layer in this environment: unshare: operation not permitted)

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[Copilot]

Pull request overview

This PR updates the documentation workflow for VHS-generated TUI/CLI recordings by standardizing outputs under docs/images/ and embedding the resulting GIFs into the docs pages.

Changes:

• Move VHS tape outputs from docs/assets/ to docs/images/ and update the generator script accordingly.
• Embed generated GIFs into docs/usage.md and most of docs/tui.md.
• Add newly generated GIF artifacts under docs/images/.

Reviewed changes

Copilot reviewed 10 out of 15 changed files in this pull request and generated 3 comments.

Show a summary per file

File	Description
docs/usage.md	Embeds the follow-mode GIF (images/start-task.gif).
docs/tui.md	Replaces screenshot placeholders with embedded GIFs for several TUI sections; command palette remains a placeholder comment.
docs/configuration.md	Updates screenshot placeholder path to docs/images/.
docs/tapes/*.tape	Updates Output paths to write GIFs into docs/images/.
docs/tapes/generate.sh	Updates tape generation to use docs/images/ and wraps Chromium invocation with --no-sandbox.
docs/tapes/README.md	Updates documentation to reference docs/images/ as the output directory.
docs/images/*.gif	Adds the generated GIF artifacts.

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