Added #

• QuickActionMenu - Main widget that wraps content and manages overlay state
• QuickActionAnchor - Anchor widget that marks elements as menu triggers
• OverlayMenuConfig - Configuration class for customizing menu appearance and behavior
• Flying anchor animation - Smooth animation of anchor widget to overlay position
• Sticky menu behavior - Top, bottom, or both menus can stick during scrolling
• Backdrop blur effect - Configurable blur and color overlay behind menus
• Horizontal alignment options - Left, center, or right alignment for top/bottom menus
• Customizable animations - Separate curves for overlay, anchor fly, anchor scale, and menu scale animations
• Reverse scroll support - Option to start scroll view at the end of content
• Safe area padding - Configurable padding to keep menus within screen bounds
• Menu visibility notifier - ValueNotifier to observe menu open/close state
• Programmatic control - Methods to show and dismiss menus programmatically