feat: add login welcome notifications for patients, doctors, and administrators

docs: update README with embedded MariaDB setup instructions
refactor: change inline function to a named function for translation in settings

README.md

@@ -18,6 +18,14 @@ MySQL-backed backend for the Flutter `care_people` app using:
 - Dev OTP flow for patient login
 - Mailchimp Transactional-ready email OTP delivery
 
+## Hugging Face same-space MySQL
+
+If `DB_HOST` is `127.0.0.1` or `localhost`, the container entrypoint starts an
+embedded MariaDB instance before launching the Node.js API.
+
+- Keep `DB_REQUIRED_ON_STARTUP=true` for production safety.
+- Use `DB_AUTO_SEED=false` in production to avoid resetting demo data.
+
 ## Local setup
 
 This backend is already configured for your current XAMPP setup: