resources necessary for the demo()

in dialogflow-cx/vpc-sc-demo/frontend/src/LiveDemoPrerequisites.js [264:266]

• 3 lines of code
• 4 McCabe index (conditional complexity)

        resources necessary for the demo (VPC Service Controls, and Dialogflow)
        fall outside the Free Usage tier, so you will need to enable billing for
        that project with {cloudBilling}. {freeTrialCredits} are available for