feat: :boom: Added SceneManager, clang format script and refactoring

[jksevend]

• Create a SceneManager
• Adapted .clang-format
• Added format script for windows
• Moved enable_testing to root CmakeLists
• Introduced Dimension class for width and height

Check Example

[jksevend]

For some reason cpp does not like my template implementation the .cpp file.

[jksevend]

Renamed load<Scene> to navigateTo<Scene>. Also destroying old scene when popping it (for now - caching will follow later)