Named analyzers and better error handling

[Zaid-Ajaj]

When the SDK runs analyzers, it swallows all errors making it impossible for FSAC to know which analyzer is problematic and makes troubleshooting harder. This PR addresses this issue by allowing the analyzers to be (optionally) named via the attribute like this [<Analuzer "AnalyzerName">]. I added a new function to run the analyzers of this signature:

val runAnalyzersSafely : Context -> AnalysisResult list

Where each AnalysisResult is the result of each registered analyzer and is defined as follows:

type AnalysisResult = {
  AnalyzerName : string
  Output : Result<Message list, exn>
}

This way, we will be able to identify which analyzer wasn't able to run successfully and why (cc @baronfel)

This is also preparation for fixing #8 which required the analyzers to be named.

[Krzysztof-Cieslak]

Thanks.