add item spawner

rng.h

@@ -0,0 +1,17 @@
+//
+// Created by Grant Horner on 12/1/25.
+//
+
+#pragma once
+#include <random>
+
+struct Rng {
+    static std::random_device dev;
+    static std::mt19937 rng;
+
+    static float generate();
+
+    static float generate(uint32_t max);
+
+    static float generate(int min, int max);
+};