Set up locker and assign credentials

Create a role, credentials, and locker to share related sensitive values with a group of users, so they can use those values to build or run bots.

1. Create a role
   Define a role and assign permissions to access various features for building bots.
2. Create credential
   Create a credential and add the required attributes.

3. Create locker
   Create a locker to group similar credentials and share with other users.