move ForestRenderer and ClusteredRenderer

src/KingSystem/Graphics/CMakeLists.txt

@@ -0,0 +1,4 @@
+target_sources(uking PRIVATE
+  gfxForestRenderer.cpp
+  gfxForestRenderer.h
+)

src/KingSystem/Graphics/gfxForestRenderer.cpp

@@ -0,0 +1 @@
+#include "KingSystem/Graphics/gfxForestRenderer.h"

src/KingSystem/Graphics/gfxForestRenderer.h

@@ -0,0 +1,12 @@
+#pragma once
+
+#include <math/seadVector.h>
+
+namespace ksys::gfx {
+
+class ForestRenderer {
+public:
+    s32 x_7(const sead::Vector3f& vec);
+};
+
+}  // namespace ksys::gfx