CloudFactory : add the constructor

src/main/java/model/CloudFactory.java

 package model;
 
-public class CloudFactory {
+import util.Position;
+
+import java.util.List;
+import java.util.Random;
+
+public class CloudFactory implements ElementFactory<Cloud>, PositionGenerator {
+    private final Random random;
+    private final int count;
+
+    public CloudFactory(Random random, int count) {
+        this.random = random;
+        this.count = count;
+    }
+    @Override
+    public List<Cloud> createElements(int rowCount, int columnCount) {
+        return List.of();
+    }
+
+    @Override
+    public int getCount() {
+        return 0;
+    }
+
+    @Override
+    public Position generateRandomPosition(int rowCount, int columnCount) {
+        return null;
+    }
 }