added color stuff

include/uml/color.h

@@ -0,0 +1,13 @@
+//
+// Created by vlad on 2/4/24.
+//
+
+#pragma once
+#include "uml/Vector3.h"
+#include <cstdint>
+
+namespace uml::color
+{
+    [[nodiscard]]
+    Vector3 Blend(const Vector3& first, const Vector3& second, float ratio);
+}