When your account has been created, you'll be invited to a 1-hour onboarding session, where you'll learn to:
Click the dots next to your name and selecting Settings and sharing from the dropdown.
Scroll down to Share with specific people, selecting + Add People, and pasting "libcal-sync@libcal-sync-214920.iam.gserviceaccount.com" into the Add email or name field.
Select Make changes to events from the dropdown menu and click Send.
Schedule and manage (fake) appointments to test your booking form, dashboard, settings, etc.