Examples: Renamed example folders. (#1870)

examples/example_apple/imguiex-ios/main.m

@@ -0,0 +1,13 @@
+//
+//  main.m
+//  imguiex
+//
+
+#import <UIKit/UIKit.h>
+#import "AppDelegate.h"
+
+int main(int argc, char * argv[]) {
+    @autoreleasepool {
+        return UIApplicationMain(argc, argv, nil, NSStringFromClass([AppDelegate class]));
+    }
+}