Renamaed Files to make it "Less confusing"

include/io/io_file_op.cpp

@@ -0,0 +1 @@
+#include "io_file_op.hpp"

include/io/io_file_op.hpp

@@ -0,0 +1,4 @@
+#ifndef IO_FILE_OP_HPP
+#define IO_FILE_OP_HPP
+
+#endif // !IO_FILE_OP_HPP

include/vector/vec_utils.cpp

@@ -1,4 +1,4 @@
-#include "utils_vec.hpp"
+#include "vec_utils.hpp"
 
 vec3 vec3::operator+(const vec3 &other) const
 {

include/vector/vec_utils.hpp

@@ -1,5 +1,5 @@
-#ifndef UTILS_VEC_HPP
-#define UTILS_VEC_HPP
+#ifndef VEC_UTILS_HPP
+#define VEC_UTILS_HPP
 
 #include <cstddef>
 #include <cstdlib>
@@ -34,4 +34,4 @@ public:
     vec3 normalize() const;
 };
 
-#endif // !UTILS_VEC_HPP
+#endif // !VEC_UTILS_HPP