Added splashpack parser, made renderer a singleton

src/splashpack.hh

@@ -0,0 +1,23 @@
+#pragma once
+
+#include "EASTL/vector.h"
+#include "gameobject.hh"
+#include <cstdint>
+namespace psxsplash {
+
+struct SPLASHPACKFileHeader {
+    char magic[2];
+    uint16_t version;
+    uint16_t gameObjectCount;
+    uint16_t textureAtlasCount;
+};
+
+struct SPLASHPACKTextureAtlas {
+    uint32_t polygonsOffset;
+    uint16_t width, height;
+    uint16_t x,y;
+};
+
+eastl::vector<GameObject> LoadSplashpack(const uint8_t *data);
+
+}; // namespace psxsplash