Added the mandelbrot calculator

src/ui/Controller.java

@@ -0,0 +1,30 @@
+package ui;
+
+import javafx.event.ActionEvent;
+import javafx.scene.image.Image;
+import javafx.scene.image.ImageView;
+import mandelbrotCalculator.MandelbrotSet;
+
+import java.io.FileInputStream;
+import java.io.FileNotFoundException;
+import java.io.InputStream;
+
+public class Controller {
+
+    public ImageView setPreview;
+
+    int currentFrame;
+
+    public void showImage(ActionEvent actionEvent) throws FileNotFoundException {
+
+        InputStream stream = new FileInputStream("C:\\Users\\nilsh\\IdeaProjects\\testStuff\\sequence/Sequence" + currentFrame + ".png");
+        Image image = new Image(stream);
+        setPreview.setImage(image);
+        currentFrame++;
+    }
+
+    public void startCalculation(ActionEvent actionEvent) {
+        MandelbrotSet m = new MandelbrotSet(2, 1, 3, 1);
+        m.startMandelbrot();
+    }
+}