Add auth system local overrides and comments auth

[chrismclarke]

PR Checklist

• - Latest master branch merged
• - PR title descriptive (can be used in release notes)

PR Type

• New feature (non-breaking change which adds functionality)

Description

• Add dev site override so developers can test different user auth roles (e.g admin, beta-tester)
• Update howto comments system so that comments can be seen by all but only created by beta-testers

Git Issues

Closes #

Screenshots/Videos

platform-auth-comments.mp4

What happens next?

Thanks for the contribution! We try to make sure all PRs are reviewed ahead of a monthly dev call (first Monday of the month, open to all!).

If the PR is working as intended it'll be merged and included in the next platform release, if not changes will be requested and re-reviewed once updated.

If you need more immediate feedback you can try reaching out on slack in the platform-dev channel.

[github-actions]

Visit the preview URL for this PR (updated for commit 4432751):

https://onearmy-next--pr1191-feat-comments-auth-ldek3nzi.web.app

_{(expires Thu, 19 Aug 2021 00:34:48 GMT)}

_{🔥 via Firebase Hosting GitHub Action 🌎}

[cypress]

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Test summary

68 • 0 • 0 • 0 • 0

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Run details

Project	onearmy-community-platform
Status	Passed
Commit	4432751
Started	Jul 20, 2021 6:02 AM
Ended	Jul 20, 2021 6:09 AM
Duration	07:29 💡
OS	Linux Ubuntu - 20.04
Browser	Multiple

View run in Cypress Dashboard ➡️

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[davehakkens]

oh wauw that is genius!