Backend for Gaia Dashboard

[bjorger]

Create a Express Typescript server, that instantiates a Gaia HUB instance fully automated.
For this check the following notion to learn what steps are currently done manually and automate them:

https://www.notion.so/Local-Installation-c243fb57ca004c918ab780321b47f2ae
https://www.notion.so/Deployment-360498ca35dc498998f54ccf0f9eb82d

Also define what data the user has to provide (configuration)

[bjorger]

I somehow cannot add @fritzsima as Assignee, but he is the one implementing this issue.