feat: Begins using swift argument parser and creating cli client dependency

Sources/MQTTConnectionService/MQTTConnectionService.swift

@@ -5,13 +5,14 @@ import MQTTManager
 import ServiceLifecycle
 
 public struct MQTTConnectionService: Service {
-  @Dependency(\.mqtt) var mqtt
 
   private let logger: Logger?
 
   public init(
     logger: Logger? = nil
   ) {
+    var logger = logger
+    logger?[metadataKey: "type"] = "mqtt-connection-service"
     self.logger = logger
   }
 
@@ -19,6 +20,7 @@ public struct MQTTConnectionService: Service {
   /// to the MQTT broker and handles graceful shutdown of the
   /// connection.
   public func run() async throws {
+    @Dependency(\.mqtt) var mqtt
     try await mqtt.connect()
 
     try await withGracefulShutdownHandler {
@@ -30,11 +32,7 @@ public struct MQTTConnectionService: Service {
       }
     } onGracefulShutdown: {
       self.logger?.trace("Received graceful shutdown.")
-      shutdown()
+      mqtt.shutdown()
     }
   }
-
-  public func shutdown() {
-    mqtt.shutdown()
-  }
 }