Merge branch 'feature/messenger-example-logging' into 'development'

Examples/xx-messenger/Package.swift

Examples/xx-messenger/Sources/AppCore/Logger/Logger.swift

Examples/xx-messenger/Sources/AppFeature/App.swift

...xx-messenger/Sources/AppFeature/AppEnvironment+Live.swift

Package.resolved

Package.swift

...ngerClient/Messenger/Functions/MessengerSetLogLevel.swift

...gerClient/Messenger/Functions/MessengerStartLogging.swift

Sources/XXMessengerClient/Messenger/Messenger.swift

...es/XXMessengerClient/Messenger/MessengerEnvironment.swift

Sources/XXMessengerClient/Utils/LogMessage.swift

...Tests/Messenger/Functions/MessengerSetLogLevelTests.swift

...ests/Messenger/Functions/MessengerStartLoggingTests.swift

Tests/XXMessengerClientTests/Utils/LogMessageTests.swift