Version 2.0.2[Common]Fixed CS0618 warnings: `UnityEngine.Application.LoadLevel(string)’ is obsolete: `Use SceneManager.LoadScene’.

Version 2.2.2[Common]Added TextRecognitionExample.

Verson 2.5.7 [Common]Added FeatureMatchingExample. [WebGL]Added a plugin file with threads and simd enabled for the WebGL platform. This update removes support for the WebGL platform in Unity 2021.1 and below. (Select MenuItem[Tools/OpenCV for Unity/Open Setup Tools/WebGL Settings])