Document new button and tutorial options Update the wiki to cover recent UI API additions: DynamicButton display modes and link groups, merged and multi-source hold progress behavior, search input icon overrides and focus styling, and tutorial welcome/unanchored steps with revised `register` and `goToStep` semantics.
Add WindowUtils documentation suite Add comprehensive markdown docs for WindowUtils modules, covering the API, controls, bind system, splitter layouts, notifications, tutorials, and related helpers.