Update Users table

[mat-ng]

Notion ticket link

Adding New Fields to Users Table

Implementation description

• Add permission column and update role column in users table

Steps to test

1. Boot up the database and check those columns exist

Checklist

• My PR name is descriptive and in imperative tense
• My commit messages are descriptive and in imperative tense. My commits are atomic and trivial commits are squashed or fixup'd into non-trivial commits
• I have run the appropriate linter(s)
• I have requested a review from the PL, as well as other devs who have background knowledge on this PR or who will be building on top of this PR

NOTE: This is a draft PR because we are still waiting for all the possible role values from @aanxniee and @pranavishal