[feat] Desktop render color

desktop/prepare.cpp

@@ -0,0 +1,9 @@
+#include <graphics/draw.h>
+
+void prepare(UINT32 width, UINT32 height, COLOR_RGB color) {
+    for (UINT32 i = 0; i < height; i++) {
+        for (UINT32 j = 0; j < width; j++) {
+            draw_pixel(i, j, color);
+        }
+    }
+}