new home screen, tutorial fxml file and missing javadoc

src/main/java/ch/zhaw/gartenverwaltung/HomeController.java

@@ -1,5 +1,47 @@
 package ch.zhaw.gartenverwaltung;
 
-public class HomeController
-{
+import javafx.fxml.FXML;
+import javafx.fxml.Initializable;
+import javafx.scene.image.Image;
+import javafx.scene.image.ImageView;
+
+import java.net.URL;
+import java.util.ResourceBundle;
+
+public class HomeController implements Initializable {
+
+    @FXML
+    private ImageView imageViewDavid;
+
+    @FXML
+    private ImageView imageViewElias;
+
+    @FXML
+    private ImageView imageViewGian;
+
+    @FXML
+    private ImageView imageViewPhilippe;
+
+    @FXML
+    private ImageView imageViewRoman;
+
+    @Override
+    public void initialize(URL location, ResourceBundle resources) {
+        setImages(imageViewDavid, "");
+        setImages(imageViewElias, "");
+        setImages(imageViewGian, "");
+        setImages(imageViewRoman, "");
+        setImages(imageViewPhilippe, "");
+    }
+
+    private void setImages(ImageView imageView, String photoName) {
+        Image img;
+        if (photoName.equals("")) {
+            img = new Image(String.valueOf(getClass().getResource("icons/userIcon.png")));
+        } else {
+            img = new Image(String.valueOf(getClass().getResource("icons/" + photoName)));
+        }
+        imageView.setImage(img);
+    }
 }
+