feat: handle endturnclicked event (from human or AI player)

app/events/EndTurnClicked.java

@@ -20,7 +20,19 @@ public class EndTurnClicked implements EventProcessor{
 
 	@Override
 	public void processEvent(ActorRef out, GameState gameState, JsonNode message) {
-		
+      // see if we have a "player" field in the message to indicate AI player:
+      String player = (message.has("player")) ? message.get("player").asText() : "human";
+      // now we check if the game thinks it is the player who clicked end turn's actual turn:
+      if (gameState.currentPlayer == 1 && player.equals("human")) {
+        System.out.println("Player 1 clicked end turn");
+        gameState.currentPlayer = 2;
+        // hand off control to AI player:
+        gameState.aiPlayer.takeTurn(out, gameState);
+        System.out.println(String.format("%s", message.toString()));
+      } else if (gameState.currentPlayer == 2 && player.equals("AI")) {
+        System.out.println("Player 2 clicked end turn");
+        gameState.currentPlayer = 1;
+      }
 	}
 
 }