First take on the F# telemetry #14889
Merged
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This is the first shot on the F#-specific telemetry in the VS.
One of the things we are interested in is the usage of our preview/experimental features: #14872

So here we achieve that by sending respective events. Here is how things look like in the VS monitor:
This is inspired by Razor's TelemetryReporter.
As of now, there is no proper thought behind the structure of events or any event design for that matter - we are just getting our hands dirty here.