Add the OS Platform information in telemetry

[NoriZC]

PR Summary

• Updated the telemetry functionality by adding information about the operating system platform.
• Extracted GetInstallationId() and GetOSPlatform() to make the initialize() more readable.
• TODO: Update the connect string for app insights. Will do tomorrow when I get my SAW on hand to access AME env.

PR Context

[daxian-dbw]

@NoriZC Feel free to submit another PR to update the connection string.