Added options button (not functional yet)

MaterialGraphProject/Assets/GraphFramework/SerializableGraph/Editor/Drawing/Drawer/TitleBarDrawer.cs

 			showInProjectItem.AddChild(new VisualElement() { classList = new ClassList("titleBarItemBorder") });
 			leftContainer.AddChild(showInProjectItem);
 
+			var optionsItem = new VisualContainer() { classList = new ClassList("titleBarItem") };
+			optionsItem.AddChild(new VisualElement() { classList = new ClassList("titleBarItemBorder") });
+			var optionsLabel = new VisualElement()
+			{
+				classList = new ClassList("titleBarItemLabel"),
+				content = new GUIContent("Options")
+			};
+			optionsItem.AddChild(optionsLabel);
+			optionsItem.AddChild(new VisualElement() { classList = new ClassList("titleBarItemBorder") });
+			rightContainer.AddChild(optionsItem);
+
             this.dataProvider = dataProvider;
         }
 

MaterialGraphProject/Assets/GraphFramework/SerializableGraph/Editor/Drawing/Styles/TitleBar.uss

     background-color: #3d3d3d;
     align-items: stretch;
     flex-direction: row;
+}
+
+#TitleBar #left {
+}
+
+#TitleBar #right {
+    justify-content: flex-end;
+}
+
+#left .titleBarItem {
+}
+
+#right .titleBarItem {
+    margin-right: 5;
 }
 
 .titleBarItemBorder {