Merge branch 'feature/438-method-signatures' into 'main'

FitConnect/Models/Metadata.cs

FitConnect/Models/OAuthAccessToken.cs

FitConnect/Models/Route.cs

FitConnect/Models/SecurityEventToken.cs

FitConnect/Models/ServiceType.cs

FitConnect/Models/Submission.cs

FitConnect/Security/IEncryption.cs

FitConnect/Security/RsaEncryption.cs

FitConnect/Sender.cs

FitConnect/Subscriber.cs

FitConnect/metadata.schema.json

InitializationTests/BaseClassConstructorTests.cs

InitializationTests/InitializationTests.csproj

readme.md

working_notes.md