Arbitrum views

[isstuev]

Description and Related Issue(s)

resolves #2006

Proposed Changes

added 'arbitrum' option to the NEXT_PUBLIC_ROLLUP_TYPE variable

Checklist for PR author

• I have tested these changes locally.
• I added tests to cover any new functionality, following this guide
• Whenever I fix a bug, I include a regression test to ensure that the bug does not reappear silently.
• If I have added, changed, renamed, or removed an environment variable, I have updated the list of environment variables in the documentation and made the necessary changes to the validator script according to the guide

[tom2drum]

• I think the status should be formatted to Proper-case