Check and fix Tutorial + Survey

[Domiii]

• [x] Toggle tutorial + survey back on, and make sure they work as intended
• [x] Also make sure, the user has options:
  • Allow user to freeze either for a few days
  • Allow user to ignore and discard them
• [x] Use [firestore REST API]() to store user results (if they consent)
  • use https client: https://stackoverflow.com/questions/4940646/create-https-client-in-nodejs
  • References
  • https://firebase.google.com/docs/firestore/use-rest-api
  • https://firebase.google.com/docs/firestore/reference/rest
  • https://cloud.google.com/firestore/docs/reference/rest
  • Docs: createDocument
  • Serialization library for firestore rest calls: https://github.com/central182/firestore-rest-serdes
  • [x] Add write-only rules
  • [ ] Check if we can avoid spam with rules (e.g. max X requests in Y seconds) without cloud function
  • References
    • https://stackoverflow.com/questions/56487578/how-do-i-implement-a-write-rate-limit-in-cloud-firestore-security-rules
    • https://stackoverflow.com/a/58895275/11309695