Feat/email automation

[chrismclarke]

NOTE - This PR builds on top of #889 and should only be merged after.
closes #890

Done

• Enable firebase email extension and configure with platform@onearmy.world email
• Documented required setup: https://github.com/ONEARMY/community-platform/wiki/Email-Automation
• Added demo which sends an automated email to a named user on a specific profile edit (to support debugging of [bug] - account disappear bug #883)

Screenshots

Example email sent to notify of profile change

Includes note at bottom to suggest viewing at http://www.jsondiff.com to allow easier visualisation of difference

Differences viewed at jsondiff

Todo

• The test notification system has been configured to send me an email when the PP profile is edited, so once in production it would be good to make a small test to confirm
• Communicate with core team to see how else automated email notifications could/should be used (e.g. custom sign-up confirmation templates etc.)

[cypress]

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Test summary

30 • 0 • 0 • 0

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Run details

Project	onearmy-community-platform
Status	Passed
Commit	c852fa5 ℹ️
Started	Feb 25, 2020 3:03 PM
Ended	Feb 25, 2020 3:10 PM
Duration	07:12 💡
OS	Linux Ubuntu Linux - 14.04
Browser	Electron 78

View run in Cypress Dashboard ➡️

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[BenGamma]

Looks good to me, althought if I understand well this PR is only for debuging purpose of the profile wipe bug ?

[chrismclarke]

No it's also to put in an automated email system. We had wanted one a while back to send out custom emails on user signup but didn't have the time to put it together. So now this PR includes one, which I'm using mostly as a demo with the profile wipe bug.

[BenGamma]

This could probably be separated in a draft PR for more clarity

[BenGamma]

Should I merge now or you are still working on this PR @chrismclarke ?

[BenGamma]

I'm merging because the build is failing in dev env and so probably in production too (functions are missing n the local codebase).
Nothing seems too critical with this PR, and it adds a few improvements we will benefit to merge anyway.