More common typos with passwords - signup

### Version Information

Server Version:
CLI Version (for CLI related issue): NA

### Environment

Cloud

### What is the current behaviour?

During Registration (signup) user has to provide only **once** password. That can lead to more common typos and issues related with password recovery and similar.

### What is the expected behaviour?

Double check - can avoid typos/mistakes.

### How to reproduce the issue?

Go to https://cloud.hasura.io/signup/new_user - see password field presented only one time. Missing `double check` layer.

### Screenshots or Screencast

NA

### Please provide any traces or logs that could help here.

NA

### Any possible solutions/workarounds you're aware of?

Double check - can avoid typos/mistakes. - 2nd field to check that user know and remember entered password.

### Keywords

password. signup. registration

Start by reviewing the signup flow at https://cloud.hasura.io/signup/new_user, since the issue names no repository file, test, or entry point. Confirm the current single password field and determine where the cloud signup implementation is maintained. Done means signup presents a second password field and checks that the two entries match.

Written by the indexing model from the issue text.