Ergodic control examples added

CMakeLists.txt

README.md

include/ImGuizmo.h

include/gfx.h

include/gfx2.h

include/gfx3.h

include/gfx_common.h

include/gl2ps.h

include/imgui_impl_glfw_gl3.h

include/tensor.h

include/window_utils.h

src/demo_GMR01.cpp

src/demo_GPR01.cpp

src/demo_HSMM_batchLQR01.cpp

src/demo_LWR_batch01.cpp

src/demo_LWR_iterative01.cpp

src/demo_MPC_batch01.cpp

src/demo_MPC_iterative01.cpp

src/demo_MPC_semitied01.cpp

src/demo_MPC_velocity01.cpp