Merge branch 'issue/651-outsource-crypto' into 'main'

Documentation/documentation.de-DE.md

Documentation/documentation.en-EN.md

FitConnect/DiContainer.cs

FitConnect/Encryption/CertificateHelper.cs

FitConnect/Encryption/EncryptionSettings.cs

FitConnect/Encryption/FitEncryption.cs

FitConnect/Encryption/JoseEncryptor.cs

FitConnect/FitConnect.csproj

FitConnect/Interfaces/ISender.cs

FitConnect/Models/OAuthAccessToken.cs

FitConnect/ProjectSpecification.cs

FitConnect/Sender.cs

FitConnect/Subscriber.cs

IntegrationTests/Sender/SenderTestHappyPath.cs

install_reuse.sh

nuget_api.template.txt

nuget_upload.sh

structure.md

test.Dockerfile

version.sh