implemented shaders, gradients, and uv mapping

shaders/colorshader.cpp

@@ -0,0 +1,25 @@
+#pragma once
+
+#include <stdint.h>
+
+#include "../datatypes.cpp"
+#include "../helpers.cpp"
+#include "../buffer.cpp"
+#include "shader.cpp"
+
+namespace UwU {
+  class ColorShader : public Shader {
+    public:
+      ColorShader(Color color) {
+        this->shaderColor = color;
+      }
+
+      Color shaderColor;
+
+      Color color(uint16_t u, uint16_t v) override {
+        (void)u;
+        (void)v;
+        return shaderColor;
+      }
+  };
+}