refactor: update sidebar widget configuration and remove unused controller

All notable changes to the sidebar_widget package will be documented in this file.

Fixed #

• Repository configuration change
• sdk upgrade

Fixed #

• Repository configuration issues

Added #

• Preview images
• Repository documentation

Added #

• Preview page functionality

Fixed #

• Optimized code structure
• Removed unnecessary setState calls

Fixed #

• Optimized code performance
• Removed redundant setState calls

Changed #

• Code optimization improvements

Added #

• Dynamic navigation item list with widget support
• Interactive subtitle tap functionality
• Single widget activation on tap

Added #

• Dynamic navigation item list with widget support

Changed #

• Code optimization and improvements

Changed #

• Code optimization and improvements

Added #

• Initial release of sidebar_widget package