chore: add manager provider interface and simple implementation

Author: AndreaGiulianelli

src/main/kotlin/infrastructure/provider/ManagerProvider.kt

@@ -0,0 +1,19 @@
+/*
+ * Copyright (c) 2023. Smart Operating Block
+ *
+ * Use of this source code is governed by an MIT-style
+ * license that can be found in the LICENSE file or at
+ * https://opensource.org/licenses/MIT.
+ */
+
+package infrastructure.provider
+
+import application.controller.manager.RoomDigitalTwinManager
+
+/**
+ * Provider of managers.
+ */
+interface ManagerProvider {
+    /** The manager of the Digital Twin of the room. */
+    val roomDigitalTwinManager: RoomDigitalTwinManager
+}

src/main/kotlin/infrastructure/provider/ManagerProviderImpl.kt

@@ -0,0 +1,18 @@
+/*
+ * Copyright (c) 2023. Smart Operating Block
+ *
+ * Use of this source code is governed by an MIT-style
+ * license that can be found in the LICENSE file or at
+ * https://opensource.org/licenses/MIT.
+ */
+
+package infrastructure.provider
+
+import infrastructure.digitaltwins.DigitalTwinManager
+
+/**
+ * Provider that creates the different managers.
+ */
+class ManagerProviderImpl : ManagerProvider {
+    override val roomDigitalTwinManager = DigitalTwinManager()
+}