Added example

Author: mstahv

src/test/java/org/vaadin/tinymce/AutoSavePluginExample.java

@@ -0,0 +1,21 @@
+package org.vaadin.tinymce;
+
+import com.vaadin.flow.component.orderedlayout.VerticalLayout;
+import com.vaadin.flow.router.Route;
+
+@Route
+public class AutoSavePluginExample extends VerticalLayout {
+
+    public AutoSavePluginExample() {
+        TinyMce tinyMce = new TinyMce();
+        tinyMce.configurePlugin(true, Plugin.AUTOSAVE)
+                // TODO add constant
+                .configure("toolbar", "restoredraft")
+                // save more eagerly for demo
+                .configure("autosave_interval","5s")
+                // Default by tinymce uses id of editor, which happens to be random
+                // byfault for this integration
+                .configure("autosave_prefix", "tinymce-autosave-myfield-id");
+        add(tinyMce);
+    }
+}