doc: added TODO comment for scaling vectors

src/main/java/uulm/teamname/marvelous/gamelibrary/IntVector2.java

@@ -110,6 +110,7 @@ public class IntVector2 implements Serializable {
         return dot(v.x, v.y);
     }
 
+    // TODO: This returns a new Vector for now, but should scale the actually modified vector
     public IntVector2 scale(float x, float y) {
         return new IntVector2(Math.round(this.x * x), Math.round(this.y * y));
     }