add iOS AppViewController interface for MTKViewDelegate/NSWindowDelegate

src/app/core/platform/app_view_controller.h

@@ -0,0 +1,25 @@
+#ifndef YAZE_APP_CORE_PLATFORM_APP_VIEW_CONTROLLER_H
+#define YAZE_APP_CORE_PLATFORM_APP_VIEW_CONTROLLER_H
+
+#ifdef __APPLE__
+#include <TargetConditionals.h>
+
+#if TARGET_OS_OSX
+#include "imgui_impl_osx.h"
+@interface AppViewController : NSViewController <NSWindowDelegate>
+@end
+#else
+@interface AppViewController : UIViewController <MTKViewDelegate>
+@property(nonatomic) yaze::app::core::Controller *controller;
+@end
+#endif
+
+@interface AppViewController () <MTKViewDelegate>
+@property(nonatomic, readonly) MTKView *mtkView;
+@property(nonatomic, strong) id<MTLDevice> device;
+@property(nonatomic, strong) id<MTLCommandQueue> commandQueue;
+@end
+
+#endif  // __APPLE__
+
+#endif  // YAZE_APP_CORE_PLATFORM_APP_VIEW_CONTROLLER_H