add main.js

lib/main.js

@@ -72,6 +72,7 @@ function main() {
             if (!azureSupportedCloudName.has(environment)) {
                 throw new Error("Unsupported value for environment is passed.The list of supported values for environment are ‘azureusgovernment', ‘azurechinacloud’, ‘azuregermancloud’, ‘azurecloud’ or ’azurestack’");
             }
+            // TODO: refactor this into an Azure stack specific utility.
             // Attempting Az cli login
             if (environment == "azurestack") {
                 if (!resourceManagerEndpointUrl) {