Implementing ECS SystemBase and updating slang

src/Engine/Math/Matrix.h

@@ -5,7 +5,10 @@
 #include <glm/mat4x4.hpp>
 namespace Seele
 {
+namespace Math
+{
 typedef glm::mat2 Matrix2;
 typedef glm::mat3 Matrix3;
 typedef glm::mat4 Matrix4;
+} // namespace Math
 } // namespace Seele