Added Math Class

Added Rainbow Line Visual
Added Delta-Timing to Visuals
Cleanup Code Structure

src/VUtils/Math.cpp

@@ -0,0 +1,17 @@
+#include <VUtils/Math.h>
+
+namespace VUtils {
+    double Math::clamp(double value, double min, double max) {
+        return value > max ? max : value < min ? min : value;
+    }
+
+    double Math::lerp(double a, double b, double f) {
+        return (a + (b - a) * f);
+    }
+    double Math::bezierBlend(double t) {
+        return t * t * (3.0 - 2.0 * t);
+    }
+    double Math::easeIn(double ratio) {
+        return ratio * ratio * ratio;
+    }
+}