Adds functionality to control the target FPS of the engine via the ImGui settings panel.
This includes:
- Adding target FPS variables and accessors in the application class.
- Adding a set_target_fps function to the fps_limiter class.
- Updating the ImGui engine settings panel to include a target FPS setting.
- Modifying the main loop to make use of the fps limiter and the engine target FPS.
CatChow0
389cde97c2