New cpp folder structure

Signed-off-by: Alexander Borsuk <me@alex.bio>

libs/drape/glsl_func.hpp

@@ -0,0 +1,20 @@
+#pragma once
+
+#include <glm/geometric.hpp>
+#include <glm/gtc/matrix_transform.hpp>
+#define GLM_ENABLE_EXPERIMENTAL  // TODO: Remove this line after upgrading glm to the latest version.
+#include "std/glm_gtx_rotate_vector.hpp"
+
+namespace glsl
+{
+using glm::dot;
+using glm::cross;
+using glm::normalize;
+using glm::length;
+using glm::distance;
+
+using glm::translate;
+using glm::rotate;
+using glm::scale;
+using glm::transpose;
+}  // namespace glsl