examples: Add missing examples to README.md

Author: felinira

examples/README.md

@@ -15,11 +15,14 @@ cargo run --bin basics
 ```
 
 - [Basic example](./basics/)
+- [About Dialog](./about_dialog/)
 - [Using the Builder pattern](./builder_pattern/)
 - [Clipboard](./clipboard/)
 - [Clock example](./clock/)
 - [Column View Datagrid Example](./column_view_datagrid/)
+- [Composite Dialog](./composite_dialog/)
 - [Composite Template](./composite_template/)
+- [Confetti Snapshot Animation](./confetti_snapshot_animation/)
 - [Content Provider](./content_provider/)
 - [CSS](./css/)
 - [Custom Application](./custom_application/)
@@ -36,10 +39,13 @@ cargo run --bin basics
 - [FemtoVG Area](./femtovg_area/)
 - [Fill and Stroke](./fill_and_stroke/)
 - [FlowBox](./flow_box/)
+- [GIF Paintable](./gif_paintable/)
 - [Glium GL-Area](./glium_gl_area/)
 - [Grid Packing](./grid_packing)
-- [GtkBuilder example](./gtk_builder/)
+- [GtkBuilder](./gtk_builder/)
+- [ListBox and ListModel](./list_box_model/)
 - [ListView: Applications Launcher](./list_view_apps_launcher/)
+- [Menubar](./menubar/)
 - [Rotation Bin](./rotation_bin/)
 - [Scale](./scale/)
 - [Scale Bin](./scale_bin/)