feat: Working on cli client and tests

Sources/DewPointController/SharedOptions.swift

@@ -17,7 +17,7 @@ extension Application {
       name: [.short, .customLong("log-level")],
       help: "Set the logging level."
     )
-    var logLevel: LogLevelContainer?
+    var logLevelContainer: LogLevelContainer?
 
     @Option(
       name: [.short, .long],
@@ -29,6 +29,8 @@ extension Application {
       .init(envFilePath: envFile, logger: logger, version: version)
     }
 
+    var logLevel: Logger.Level? { logLevelContainer?.logLevel }
+
   }
 }