Example component_gallery: 12 pages showcasing user interface components, new example

[DP News-Robot]

I advise every CGE developer to run these 2 new examples today! ? examples/component_gallery is a 12-page demo of possibilities of user interface components in CGE. Run the demo, and browse the pages to see what is possible. Then explore the demo in the editor (open designs data/page_xxx.castle-user-interface) to see how you can do this. …