fix: made Event/Request/ReconnectMessage subclasses of BasicMessage

src/main/java/uulm/teamname/marvelous/gamelibrary/messages/EventMessage.java

@@ -8,10 +8,7 @@ import java.util.HashMap;
 import java.util.Objects;
 
 /** Represents a message sent between client and server and contains all possible data. */
-public class EventMessage {
-
-    /** This is the message type. It is either REQUESTS or EVENTS, everything else would be invalid here */
-    public MessageType messageType;
+public class EventMessage extends BasicMessage {
 
     /** The list of {@link Event Events} sent inside the message. */
     public Event[] messages;

src/main/java/uulm/teamname/marvelous/gamelibrary/messages/ReconnectMessage.java

@@ -1,6 +1,6 @@
 package uulm.teamname.marvelous.gamelibrary.messages;
 
-public class ReconnectMessage {
+public class ReconnectMessage extends BasicMessage {
 
     /** Whether the client wants to reconnect to the previously running game */
     public Boolean reconnect;

src/main/java/uulm/teamname/marvelous/gamelibrary/messages/RequestMessage.java

@@ -9,10 +9,7 @@ import java.util.HashMap;
 import java.util.Objects;
 
 /** Represents a message sent between client and server and contains all possible data. */
-public class RequestMessage {
-
-    /** This is the message type. It is either REQUESTS or EVENTS, everything else would be invalid here */
-    public MessageType messageType;
+public class RequestMessage extends BasicMessage {
 
     /** The list of {@link Event Events} sent inside the message. */
     public Request[] messages;