fix: add token validation directive

[Matheus-Aguilar]

What problem is this solving?

Added a new token validation directive. More info on: https://vtex-dev.atlassian.net/browse/B2BTEAM-1686

[vtex-io-ci-cd]

Hi! I'm VTEX IO CI/CD Bot and I'll be helping you to publish your app! 🤖

Please select which version do you want to release:

• Patch (backwards-compatible bug fixes)

• Minor (backwards-compatible functionality)

• Major (incompatible API changes)

And then you just need to merge your PR when you are ready! There is no need to create a release commit/tag.

• No thanks, I would rather do it manually 😞

[vtex-io-docs-bot]

Beep boop 🤖

I noticed you didn't make any changes at the docs/ folder

• There's nothing new to document 🤔
• I'll do it later 😞

In order to keep track, I'll create an issue if you decide now is not a good time

• I just updated 🎉🎉

[github-actions]

	Messages
📖	❤️ Thanks!
📖	🎉 PR additions = 189, PR deletions = 32

Generated by 🚫 dangerJS against 0d665c5

[fredppm]

The solution it is ok, but the some code complexity creates a high Cognitive Load.
Some of them are comment as 🟡

There are no blockers to release it.

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarCloud

[vtex-io-ci-cd]

Your PR has been merged! App is being published. 🚀
Version 1.40.7 → 1.41.0

After the publishing process has been completed (check #vtex-io-releases) and doing A/B tests with the new version, you can deploy your release by running:

vtex deploy [email protected]

After that your app will be updated on all accounts.

For more information on the deployment process check the docs. 📖