feat: Implement ROM version management and proposal approval system

- Introduced `RomVersionManager` for managing ROM snapshots, including automatic backups, manual checkpoints, and corruption detection.
- Added `ProposalApprovalManager` to facilitate collaborative proposal submissions and voting, enhancing team workflows.
- Updated `CollaborationPanel` to integrate version management features, allowing users to track changes and manage proposals effectively.
- Enhanced documentation to reflect new functionalities and usage instructions for version management and collaboration features.

src/app/core/core_library.cmake

@@ -5,7 +5,6 @@ set(
   app/core/project.cc
   app/core/window.cc
   app/core/asar_wrapper.cc
-  app/core/widget_state_capture.cc
 )
 
 if (WIN32 OR MINGW OR (UNIX AND NOT APPLE))