Add Application Insights

As an administrator, I need a way of telling how the player is performing on the user's devices so that I can gain insight into how the video is used and adjust the settings if something is going wrong.

Acceptance Criteria:

• GIVEN the video player
  • WHEN the client is configuring the player
    • THEN there is an option called application-insights-instrumentation-key for the user to provide a key to send data to Azure Application Insights
  • WHEN the player sends data to Azure Application Insights
    • THEN the following metrics are tracked: playbackSummary, loaded, viewed, ended, playTime, percentsPlayed, play, pause, seek, fullscreen, error, buffering, bitrateQuality, and downloadInfo
    • AND the streamId is captured as either audio for the Audio stream, or video for the video stream

Developer Notes: This repository has a plugin for recording this information with the Azure Media Player: https://github.com/Azure-Samples/media-services-javascript-azure-media-player-application-insights-plugin