* feat: add user user identity table
* feat: add user openai api key input
* feat: add encryption missing message
* chore: log more details about 422 errors
* docs(API): update api creation path
* feat: use user openai key if defined
* 🗃️ update and add fields in brains table
* ✨ update endpoints for more brain attribute
* ✨ new set as default brain endpoint
* 🔥 remove update brain with file
* ✏️ fix wrong auto imports
* 🐛 fix max tokens for model in front
* 🚑 post instead of put to set default brain
* 🚑 update brain creation endpoint with new fields
* 🗃️ new table for invitations to subscribe to brain
* ✨ new BrainSubscription class
* ✨ new subscription router
* 👽️ add RESEND_API_KEY to .env in BE
* 📦 add 'resend' lib to requirements
* ♻️ fix some stanGPT
* 🗃️ add new tables for multiple brains
* 🗑️ remove date input from fetch_user_id_from_credentials
* ✨ new /brain endpoints
* ♻️ refactor backend utils by splitting it into files
* 💡 comments for next actions to update /upload
* feat: user can create api keys
* fix: linting on build
* Update backend/routes/api_key_routes.py
* chore: rename and refactor AuthBearer
* chore: add types