Improve the README to create more engagement with the server (#3724)
Improve the README to create more engagement with the server (#3724)

* better readme

* Update README.md
openfoodfacts/openfoodfacts-server,openfoodfacts/openfoodfacts-server,openfoodfacts/openfoodfacts-server,openfoodfacts/openfoodfacts-server,openfoodfacts/openfoodfacts-server