manually:WARNAppiumDoctor ➜Whyopencv4nodejsisneeded and how to install it:https://github.com/appium/appium/blob/master/docs/en/writing-running-appium/image-comparison.mdWARNAppiumDoctor ➜ ffmpegisneeded to record screen features.Pleaseread https://www.ffmpeg.org/to install itWARNAppiumDoctor ...