feat: Add background service and API for URL monitoring system

[DevT75]

Background Service Implementation for URL Monitoring

Overview

This PR implements a background service system for monitoring URLs with periodic checks. The implementation includes native C++ APIs and Android service components for reliable background execution.

Key Changes

1. Background Service Implementation

• Added WootzAppBackgroundService.java for handling background URL monitoring
• Implemented periodic URL fetching with configurable intervals (currently set to 1 minute)
• Added proper error handling and logging for background operations

2. API Extensions

Added new API endpoints in the wootz namespace:

• setJob: Start monitoring a URL
• removeJob: Stop monitoring a URL
• getJobs: Retrieve monitoring results
• listJobs: List all monitored URLs
• cleanJobs: Clear all jobs and results

3. Storage and Persistence

• Implemented shared preferences-based storage for jobs and results
• Proper cleanup mechanisms for managing stored data

4. Android Manifest Updates

• Added required permissions:
  • FOREGROUND_SERVICE
  • POST_NOTIFICATIONS
• Registered new background service component

5. Extension WebView Optimization & UI Improvements

• Replaced multiple WebView instances with a single reusable WebView container
• Removed unnecessary padding from WebView container for better space utilization
• Optimized margins and padding for better visual appearance

Documentation

The new APIs are documented in wootz.json with proper type definitions and descriptions.