Update backend setup instructions in README for correct start command

Add LICENSE and README files with project details and setup instructions

Add autocomplete suggestions for Todo search input

Add keyboard shortcut for search input focus

Enhance TodoSearch component with explicit type attributes and search parameter

Add priority feature and advanced filtering for Todo items

Implement WebSocket real-time updates for Todo application

Add theme support with dark mode toggle

Add animations and primary color to TodoList component

Refactor project structure and update dependencies

Initialize full-stack Todo application with Elysia backend and React frontend