chore: create event sender concept

src/env/application/controller/manager/EventSender.java

@@ -0,0 +1,22 @@
+/*
+ * 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 application.controller.manager;
+
+import application.presenter.event.model.Event;
+
+/**
+ * Interface that models a sender of events to external.
+ */
+public interface EventSender {
+    /**
+     * Method used to send an event through the sender.
+     * @param eventToSend the event to send.
+     */
+    void notify(Event<?> eventToSend);
+}