Worked on dual-layer reprojection and added YUV mode to encoder interface

...dual_layer_reprojection/dual_layer_reprojection_base.glsl

src/encoder/encoder.hpp

src/encoder/nvidia_encoder.cpp

src/encoder/nvidia_encoder.hpp

src/encoder/vulkan_encoder.cpp

src/headset/remote_headset.cpp

src/headset/remote_headset.hpp

src/strategy/dual_layer_reprojection.cpp

src/strategy/dual_layer_reprojection.hpp

src/strategy/stereo_strategy.cpp

src/strategy/stereo_strategy.hpp