add sdl_deleter.h for RAII SDL resources

src/app/core/utils/sdl_deleter.h

@@ -0,0 +1,26 @@
+#ifndef YAZE_APP_CORE_UTILS_SDL_DELETER_H_
+#define YAZE_APP_CORE_UTILS_SDL_DELETER_H_
+
+namespace yaze {
+namespace app {
+namespace core {
+
+struct sdl_deleter {
+  void operator()(SDL_Window *p) const {
+    if (p) {
+      SDL_DestroyWindow(p);
+    }
+  }
+  void operator()(SDL_Renderer *p) const {
+    if (p) {
+      SDL_DestroyRenderer(p);
+    }
+  }
+  void operator()(SDL_Texture *p) const { SDL_DestroyTexture(p); }
+};
+
+}  // namespace core
+}  // namespace app
+}  // namespace yaze
+
+#endif  // YAZE_APP_CORE_UTILS_SDL_DELETER_H_