Feat: Add opening of homepage in browser

CityDoctorParent/Extensions/CityDoctorGUI/src/main/java/de/hft/stuttgart/citydoctor2/gui/CheckDialog.java

@@ -301,6 +301,23 @@ public class CheckDialog {
 		selectNoneSCBtn.setOnAction(ae ->
 				semanticTable.getRoot().getChildren().forEach(item -> item.getValue().setEnabled(false)));
 
+        try {
+            final URI hpUrl = new URI(Localization.getText("CheckDialog.homepageHyperlink"));
+			homepageHyperlink.setOnAction(event -> {
+                try {
+                    Desktop.getDesktop().browse(hpUrl);
+                } catch (IOException e) {
+					Alert alert = new Alert(Alert.AlertType.ERROR,
+							"Opening of hyperlink was blocked by the system.", ButtonType.OK);
+					alert.showAndWait();
+                }
+            });
+        } catch (URISyntaxException e) {
+            throw new RuntimeException(e);
+        }
+
+
+
 	}