Expert guidance on PagerKit, a SwiftUI library for advanced, customizable page-based navigation. Use when developers mention: (1) PagerKit, PKPagesView, PKPage, (2) custom page controls, indicators, or paging behavior, (3) cross-platform SwiftUI paging, (4) dynamic page generation, (5) integrating page views into custom layouts, (6) specific PagerKit modifiers or enums, (7) page view controller options, (8) event handling for page changes.