[EPIC] Implement Generate Functionality

[SeamusMullan]

Implement the actual project generation process.

Objectives

• Clone template repository
• Apply configuration to files
• Generate project files
• Initialize Git repository
• Show progress tracking

Linked Tasks

• Update ProjectWorker for new config structure
• Implement template cloning
• Implement CMakeLists.txt generation
• Implement README.md generation
• Implement file generation from templates
• Implement Git initialization
• Add progress bar

Success Criteria

• Projects generate successfully
• All configuration applied correctly
• Progress tracking works
• Git repository initialized properly

Timeline

• Start: 2026-04-17
• End: 2026-04-24
• Duration: 8 days