Summon 0.6.0

Added

• Platform-Agnostic Layout Primitives - Implemented high-level application structure components including Scaffold, TopAppBar, BottomNavigation, NavigationDrawer, BottomSheet, FloatingActionButton, Snackbar, NavigationRail, SplitPane, and Sidebar.
• Window Insets Support - Added WindowInsets API and Modifier.windowInsetsPadding to handle system safe areas (notches, status bars).
• Gesture System - Implemented a unified gesture detection system with GestureDetector supporting tap, double tap, long press, drag, pinch, and rotate. Added Modifier.gestures and Modifier.onContextMenu.
• Drag and Drop - Enhanced drag and drop support with DragEvent and DataTransfer API. Added Modifier.onDragStart, Modifier.onDrop, etc.
• Context Menu - Added ContextMenuArea component and ContextMenuItem for creating context menus.
• WASI Export Surface - Added WasiExport object and export functions (summon_entry, summon_event) to enable compiling Summon to wasm32-wasi for headless environments.
• CBOR UI Tree - Implemented UiTree, UiNode, and UiPatch data structures with serialization support (currently JSON-backed) for headless rendering and interop.
• Theme DSL - Added a type-safe DSL for defining themes.
• Tooltip API - Added Tooltip component with automatic positioning.
• Clipboard API - Added ClipboardAPI for reading/writing to system clipboard.
• Cursor Styles - Added Modifier.cursor for changing mouse cursor appearance.
• Focus Management - Implemented FocusRequester and keyboard navigation support.
• Semantic Accessibility - Added comprehensive accessibility support with ARIA mapping and semantic modifiers.
• Navigation - Implemented a platform-agnostic routing system with back stack management.

Changed

• Modifier Refactor - Refactored Modifier to use the Companion Object pattern (similar to Jetpack Compose) for better API ergonomics and extensibility.