No, you didn't brick your hub. Are you not able to access the hub's local interface because is password protected? If that's the case, check out the following post:
Note that my.hubitat.com uses the same credentials as logging into the community.
If you are unable to log into my.hubitat.com, then please create a case by visiting the following page (select I can't create an account option) and we will help you replace the email address that you've registered the hub with:
Be sure to list the new email address when creating the case.
