Added documentation to ServerGameLogic.checkMap

Projekte/battleship/model/src/main/java/pp/battleship/game/server/ServerGameLogic.java

@@ -153,14 +153,25 @@ public void received(MapMessage msg, int from) {
         }
     }
 
+    /**
+     * Validates the placement of battleships on the map.
+     *
+     * Ensures that:
+     * <ul>
+     *   <li>The number of ships matches the configuration.</li>
+     *   <li>Ships are within the map's boundaries.</li>
+     *   <li>Ships do not overlap.</li>
+     * </ul>
+     *
+     * @param ships the list of {@link Battleship} objects to validate
+     * @return {@code true} if all ships are placed correctly; {@code false} otherwise
+     */
     private boolean checkMap(List<Battleship> ships){
-        //Anzahl
         int numShips = config.getShipNums().values().stream().mapToInt(Integer::intValue).sum();
         if (numShips != ships.size()) return false;
 
         List<IntPoint> occupied = new ArrayList<>();
-        //Every Ship Position Is in Map Height/Width
+
-        //Überlappen
         for (Battleship battleship: ships){
             int x = battleship.getX();
             int y = battleship.getY();