Changelog:
- Add actions and assets headers, not implemented and not used
- move original main to entManager_test
- Add proper main to create window and display nothing
- Implement scene base class and level scene
- Add a simple level scene test
- Update CMakeLists to compile main and tests
Internal Changelog:
- Use data store similar to component map
- Add init and free for entities tag
- Use enum instead of char for tag
- Switch to use clang for compilation
- Add -Wall for compilation
En Yi