Resume editor expansion and customization improvements

Added(21)

• Added support for:
• Projects
• Publications
• References
• Skills
• Summary
• Volunteer Experience
• Improved section structure and editor flexibility
• Added advanced theme customization settings
• Introduced section visibility management
• Improved resume personalization workflows
• Added preview and save toolbar actions
• Added resume download functionality for multiple formats
• Improved document workflow interactions
• Improved removal handling for education and skill entries
• Enhanced editor state consistency and data handling
• Added tests for workspace and resume store systems
• Improved maintainability and workflow reliability
• Beta quality release
• Additional customization and editor improvements expected
• Focused on resume editing flexibility, UX, and workflow enhancements