Tailboot v2026.09.04.225617

Improve customization page UI and SSH instructions (#16)

* Improve customization page UI and SSH instructions

- Redesign the setup flow with clearer steps and responsive styling
- Add detailed Tailscale SSH connection instructions
- Preserve inline link and code formatting in compressed HTML

* Simplify customization page layout and copy

Co-authored-by: Cursor <cursoragent@cursor.com>

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Co-authored-by: Cursor <cursoragent@cursor.com>