Category menu dynamic from json, added country dropdown and no image picture, menu active class, use props.children for add footer

[dipeshsukhia]

1. Category menu dynamic from JSON using context API
2. Added country dropdown
3. Fixed blank image add no image picture
4. Menu active class
5. use props. Children for adding a footer in navbar.js
6. add a bottom-to-top arrow
7. fetch data using Axios
8. if api not working then show an error message
9. make fetch function logic common
10. upgrade react and other packages