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as a leading software engineer build me a professional and premium app with latest UI/UX interfaces called Diocese of Mangochi Sacraments Records app. consider the following key modules when building the app: . Sacrament Records Module Tailored to Catholic traditions, this module digitizes and preserves records of sacraments, ensuring they are tamper-proof and easily searchable for genealogical or canonical purposes. - Core Features: - Record entry: For baptisms, confirmations, marriages, holy orders, etc., with date, officiant, witnesses, and certificate generation. - Digital certificates: Generate printable PDFs with church seals. - Searchable database: Query by name, date, or parish. - Integration with member profiles: Auto-link sacraments to individuals. - Premium Features: - Blockchain-secured records: Immutable ledger for sacraments to prevent alterations, ideal for historical preservation. - Genealogy tools: Build family trees linking sacraments across generations. - Bulk import from legacy systems: Scan and OCR old paper records for digitization. 3. Event and Calendar Management Module For organizing Masses, retreats, feasts, and community events, with real-time updates to keep the parish connected. - Core Features: - Shared calendar: View/add events like Holy Week services or CCD classes. - RSVP and registration: Members sign up online. - Reminders: Email notifications for upcoming events. - Room/resource booking: Schedule church halls or equipment.