feat(user-sessions): add custom exceptions for game logic and enhance user session interaction

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

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

knockoutwhistweb/app/exceptions/NotHostException.java

@@ -1,6 +1,6 @@
 package exceptions;
 
-public class NotHostException extends RuntimeException {
+public class NotHostException extends GameException {
     public NotHostException(String message) {
         super(message);
     }

knockoutwhistweb/app/exceptions/NotInThisGameException.java

@@ -1,6 +1,6 @@
 package exceptions;
 
-public class NotInThisGameException extends RuntimeException {
+public class NotInThisGameException extends GameException {
     public NotInThisGameException(String message) {
         super(message);
     }

knockoutwhistweb/app/exceptions/NotInteractableException.java

@@ -1,6 +1,6 @@
 package exceptions;
 
-public class NotInteractableException extends RuntimeException {
+public class NotInteractableException extends GameException {
     public NotInteractableException(String message) {
         super(message);
     }