Feature: Initial UniNews Application

[GeorgeApos]

Overview

This pull request introduces the first functional version of UniNews, a desktop application for aggregating university news and announcements from multiple sources.

The application provides a modern PyQt6-based interface that allows users to browse, search, and filter articles from RSS feeds and custom website scrapers in a single location.

Main Features

News Aggregation

• RSS feed support
• Custom HTML scraper support
• Extensible scraper architecture for community contributions
• Unified article model across all source types

User Interface

• Modern card-based article layout
• Light and dark themes
• University and source filtering sidebar
• Search functionality
• Article previews with metadata and images
• Direct access to original articles

Data Management

• SQLite-based local caching
• Persistent application settings
• Automatic duplicate prevention
• Configurable cache limits

Notifications

• Desktop notification support
• Keyword-based notification filtering
• Configurable refresh intervals

Initial Source Support

• MIT News (RSS)

• University of Macedonia (custom scraper)

  • Main News
  • Department-specific news sources
  • Extensible architecture for future departments and universities

Testing

Tested locally on:

• Windows 11
• Python 3.12
• PyQt6

Verified:

• Feed retrieval
• Article caching
• Search and filtering
• Theme switching
• Settings persistence
• Notification functionality

[GeorgeApos]

@TolisSth please review my changes. Please do not force commit, because I know that you have a history on unsuccessful merges.