levels and game victory

resources/levels/01.txt

src/game/CMakeLists.txt

src/game/game.cpp

src/game/game.h

src/game/input/abstract_input.h

src/game/input/events.hpp

src/game/input/sdl_input.h

src/game/renderer/abstract_renderer.h

src/game/renderer/sdl_renderer.cpp

src/game/renderer/sdl_renderer.h

src/game/state/CMakeLists.txt

src/game/state/level.cpp

src/game/state/level.h

src/game/state/state.cpp

src/game/state/state.h