feat!: implemented multigame support (#34)

Reviewed-on: #34
Co-authored-by: Janis <janis.e.20@gmx.de>
Co-committed-by: Janis <janis.e.20@gmx.de>

knockoutwhistweb/app/exceptions/CantPlayCardException.java

@@ -0,0 +1,7 @@
+package exceptions;
+
+public class CantPlayCardException extends GameException {
+    public CantPlayCardException(String message) {
+        super(message);
+    }
+}

knockoutwhistweb/app/exceptions/GameException.java

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+package exceptions;
+
+public abstract class GameException extends RuntimeException {
+    public GameException(String message) {
+        super(message);
+    }
+}

knockoutwhistweb/app/exceptions/GameFullException.java

@@ -0,0 +1,7 @@
+package exceptions;
+
+public class GameFullException extends GameException {
+    public GameFullException(String message) {
+        super(message);
+    }
+}

knockoutwhistweb/app/exceptions/NotEnoughPlayersException.java

@@ -0,0 +1,7 @@
+package exceptions;
+
+public class NotEnoughPlayersException extends GameException {
+    public NotEnoughPlayersException(String message) {
+        super(message);
+    }
+}

knockoutwhistweb/app/exceptions/NotHostException.java

@@ -0,0 +1,7 @@
+package exceptions;
+
+public class NotHostException extends GameException {
+    public NotHostException(String message) {
+        super(message);
+    }
+}

knockoutwhistweb/app/exceptions/NotInThisGameException.java

@@ -0,0 +1,7 @@
+package exceptions;
+
+public class NotInThisGameException extends GameException {
+    public NotInThisGameException(String message) {
+        super(message);
+    }
+}

knockoutwhistweb/app/exceptions/NotInteractableException.java

@@ -0,0 +1,7 @@
+package exceptions;
+
+public class NotInteractableException extends GameException {
+    public NotInteractableException(String message) {
+        super(message);
+    }
+}