Added `CameraSettings`
Added `CameraSettings`

Closes https://github.com/PistonDevelopers/hematite/issues/22

fenhl/hematite,PistonDevelopers/hematite,toqueteos/hematite,tomaka/hematite,toqueteos/hematite,LeeRisk/hematite,PistonDevelopers/hematite,tomaka/hematite,fenhl/hematite,0x73/hematite,bvssvni/hematite,LeeRisk/hematite,0x73/hematite,bvssvni/hematite