feat: implement user profile management with avatars, login, and personal data

- Add avatar upload functionality with public URL access.
- Implement user login with email and password authentication.
- Create endpoints for fetching and updating the authenticated user's profile.
- Set up database migrations for user profiles, including email and role management.
- Introduce personal data management linked to user profiles.
- Add email verification process with welcome email templates.

profiles/migrations/4_drop_auth_tables.up.sql

@@ -0,0 +1,3 @@
+DROP TABLE sessions;
+
+ALTER TABLE user_profiles DROP COLUMN password_hash;