Add the Mobile Phone number column to the Magento schema and to customer grid for the customer to be assigned the new phone information easily
- clone the repository
- create folder app/code/Mbs/CustomerColumn when located at the root of the Magento site
- copy the content of this repository within the folder
- install the module php bin/magento setup:upgrade
Go to customer grid in the backend and verify the mobile number column is added to the grid