✨ feat(profile): integrate email and fax fields in association profile
🆕 feat(migrations): create blind_indexes table for encrypted data
🔧 feat(model): implement CipherSweet in EinundzwanzigPleb for email encryption
🔧 config: add ciphersweet configuration file for encryption settings
🗄️ migration: add email field to einundzwanzig_plebs table for user data
