Retrieves the configuration of your tax calculation plugin.
Set your tax calculation configuration in the return of the getConfig() function. Wix calls this function when you publish your site.
Changes to the configuration don't take effect until you publish your site.
getConfig()When you add the Tax Calculation service plugin,
a folder is automatically added to your site. Use the -config.js file in the folder to set the default configuration for your
implementation of the service plugin.