Broken link in documentation in content/reference/validator/rules/unique.md

[andre-qumulo]

Package version

latest

Describe the bug

The text

The validation rule is added by @adonisjs/lucid package. So make sure it is [installed and configured](https://github.com/adonisjs/v5-docs/blob/develop/content/guides/database/setup.md), before using this rule.

is linking to a file/page that no longer exists

Reproduction repo

No response