created project structure

theme-costume-app/src/About.js

theme-costume-app/src/App.js

theme-costume-app/src/Home.js

theme-costume-app/src/assets/Halloween.jpg

theme-costume-app/src/components/Carousel.js

theme-costume-app/src/components/MyComponent.js

theme-costume-app/src/components/ResponsiveAppBar.js

theme-costume-app/src/index.js

theme-costume-app/src/theme.js