Add skeleton CSS classes to main.css for consistent loading UI
Apply skeleton loading states to Admin, Habitat, Item, Pokemon, Recipe, and Auth views
Improve perceived performance and accessibility during data fetching
Introduce reusable UI components (AppShell, EntityCard, PageHeader)
Implement Pokemon-themed CSS variables and responsive grids
Refactor all views to adopt the new component structure
Add created/updated tracking and edit logs to all wiki tables
Restrict create/update/delete operations to verified users
Display edit metadata on frontend detail and list views