Add GoPro GPS trace video generator

Fix: use JST for due date calculation

Fix: use JST for HTML update timestamp

Update schedule: run hourly from 8:00 to 20:00 JST

Fix: use env var for config.yaml generation to avoid YAML indentation issues

Debug: add connectivity check and fix config.yaml generation

Fix: move FORCE_JAVASCRIPT_ACTIONS_TO_NODE24 to workflow-level env

Fix: opt into Node.js 24 for GitHub Actions

Fix GitHub Actions: switch to modern Pages deployment (Node.js 24対応)

Add GitHub Actions + GitHub Pages でスマホ表示対応

Add Windows installation guide (INSTALL_WINDOWS.md)

Add library-traverse: 神奈川エリア図書館の貸出・予約状況チェッカー

Initial commit