added new server state chart

Projekte/mdga/model/src/main/java/pp.mdga/server/ServerSender.java

@@ -0,0 +1,16 @@
+package pp.mdga.message.server;
+
+import pp.mdga.message.server.ServerMessage;
+
+/**
+ * Interface for sending messages to a client.
+ */
+public interface ServerSender {
+    /**
+     * Send the specified message to the client.
+     *
+     * @param id      the id of the client that shall receive the message
+     * @param message the message
+     */
+    void send(int id, ServerMessage message);
+}