Create authentication backend for Twined

[cortadocodes]

Feature request

About me

(optional) If you're new to the octue ecosystem, and you don't mind, it'd be great to hear a little bit of the wider context about
you and what you're working on, so we can understand how best to help.

Use Case

Please [describe your motivation and use case].

Current state

Please describe what you're doing presently to work around this or achieve what you're doing.

Proposed Solution

Please describe, if you can, how you think the feature should be implemented or problem solved

Supporting Octue

Octue is an Open-Source Software organisation helping you and many others to fight climate change. Providing support for your issues costs us c. 500GBP/day. Might your organisation be in a position to help sponsor this issue?

• We already are (eg via technical partnership or GitHub Sponsors )
• Yes (we'll prioritise this issue, and be in touch)
• No (we'll work on this issue as and when it aligns with our core development activity)