testing bounds of App.css

testing App.css necessity by removing from App.js imports

readded app.css

Remove unused files and dependencies, including .gitattributes, App.css, and App.test.js. Update package.json and package-lock.json to remove @radix-ui/react-slot dependency. Modify DataTable component title for clarity and refactor Button component to simplify its implementation.

readded app.css

Cleaned up project

Duplicate from static-templates/react