Added the countries.json file and updated the code to fetch the data from the file(#531)

[ymaheshwari1]

Related Issues

#531

Closes #531

Short Description and Why It's Useful

This feature will help a user to define the specific countries for the storefront.

IMPORTANT NOTICE - Remember to update CHANGELOG.md with description of your change

Contribution and Currently Important Rules Acceptance

• I read and followed contribution rules

[ymaheshwari1]

Another solution for implementing this functionality is to define the doingBusinessInCountry parameter in the config file consisting of the countries which we need to include in the storefront.
Then updating the code to filter the countries from the countries.json file on the basis of dbic field in the config.

[AishwaryShrivastav]

@ymaheshwari1 @Fifciu , I think we can merge this implementation for now and can create an feature request for the DBIC implementation

Another solution for implementing this functionality is to define the doingBusinessInCountry parameter in the config file consisting of the countries which we need to include in the storefront.
Then updating the code to filter the countries from the countries.json file on the basis of dbic field in the config.