Add my own math library

GLM works only for C++ and I plan on moving to back to C. There is
a C port, but it would be good for me to figure out vertex math myself.
Hence, my own library has been created.

graphics/src/vulkan_pipeline.hpp

@@ -4,7 +4,7 @@
 #include <vector>
 #include <vulkan/vulkan.hpp>
 
-#include "vulkan_commons.hpp"
+#include "vulkan_commons.h"
 
 namespace rse::graphics::vulkanbase
 {