##Links https://learn.microsoft.com/en-us/azure/active-directory-b2c/configure-authentication-in-sample-node-web-app-with-api#step-24-create-a-client-secret https://learn.microsoft.com/en-us/azure/active-directory-b2c/add-sign-up-and-sign-in-policy?pivots=b2c-user-flow https://github.com/AzureAD/microsoft-authentication-library-for-js/tree/dev/samples https://learn.microsoft.com/en-us/azure/active-directory-b2c/customize-ui?pivots=b2c-user-flow