v1.1.0 - Update Command with GitHub Integration

�� Update Process

The new update command:

1. Checks current version from package.json
2. Fetches latest release from GitHub API
3. Compares versions to determine if update is needed
4. Shows version info (current vs latest)
5. Updates automatically if newer version exists
6. Provides feedback about the update process

🐛 Bug Fixes

• Fixed update command to check actual latest version
• Improved error handling for network issues
• Better user feedback during update process

📈 What Changed

• Before: Update command used npm install -g openbook-cli@latest
• After: Update command checks GitHub releases and installs specific version