specific port 3006

[pubnubcraig]

Description of change
Using port 3006 so that when this runs locally with the Moderated Chat sample app, they don't use the same port (3000)

Followed guidelines

Please make sure to review and check all of these items before merging pull request

• Followed SF GitHub guidelines for creating this branch.
• Reviewed the code for any compile-time errors.
• Resolved the linting issues for the code changed during development.
• Tested this code on the Local.
• Removed the console logs added during development(if any).