ServiceNow tool belt

This extension provides a set of tools for Servicenow users and developers.

Tab Management
* Instance-based organization: View all open tabs grouped by ServiceNow instance
* Smart tab creation: Open new tabs on any known instance with proper positioning
* Cross-instance navigation: Open the same record or list on different instances
* Tab grouping: Organize instance tabs into colored groups with one click
* Visual identification: Custom favicon colors for each instance
* Update set tracking: Display current update set for each session

Instance Management
* Automatic discovery: Automatically detect and record visited ServiceNow instances
* Custom naming: Set friendly names for instances (e.g., "Dev", "Test", "Production")
* Visibility control: Show or hide specific instances from the main interface
* Color coding: Assign unique colors to distinguish instances at a glance

Search & Navigation
* sys_id search: Find any record across all tables using its system ID
* Search by object name, number, username...
* Direct access: One-click navigation to found records
* Cross-instance search: Search on any available instance

Developer Tools
* Background script enhancement: Enhanced script editor with execution history
* Field name switching: Toggle between display names and technical field names
* Version tracking: Quick access to record version history
* Frame navigation: Reopen pages in ServiceNow's navigation frame

Keyboard Shortcuts
* Customizable hotkeys: Configure shortcuts for common actions
* Quick access: Instant popup access, field switching, version viewing
* Background scripts: Hotkey to open script editor on current instance

Configuration & Sync
* Cross-browser sync: Synchronize settings between browsers
* Export/Import: Backup and restore configurations via JSON files
* Cloud storage: Optional sync using browser's cloud storage
* Theme support: Light, dark, or automatic theme based on system preference

Advanced Features
* Multi-domain support: Works with custom ServiceNow domains beyond service-now.com
* Node switching: Switch between cluster nodes for testing and troubleshooting
* Debug mode: Detailed console logging for extension troubleshooting
* Responsive design: Adapts to different screen sizes and browser windows