feat: Container Update Checker Implementation

[salty2011]

Container Update Checker Implementation

Overview

This PR implements a new feature to check for Docker image updates across Wolf Manager containers. The implementation will be designed to be extensible for future use with the app library.

Features

• Implement Docker image update checking functionality
• Add support for checking Wolf container images
• Create reusable architecture for future app library integration
• Add user interface elements for update notifications
• Implement update checking logic and scheduling

Technical Details

• Will implement a service to check Docker image versions
• Design will follow a modular approach to support future app library integration
• Will include proper error handling and user notifications
• Will implement TypeScript interfaces for type safety

Testing

• Unit tests for update checking logic
• Integration tests for Docker API interactions
• UI component tests

Documentation

• Add technical documentation for the update checking system
• Update user documentation with new feature details