I want someone to help me do an entity relationship diagram and mapping for an app that has that has those features. Also I want to add an extra feature which allowsa the user get a playlist depending on there current mood.

(4) 1. Member Management: Ability to add, edit and delete members, keep track of their membership status, and view their details. 2. Class Scheduling: Ability to schedule and manage classes, view upcoming classes, and manage class attendance. 3. Billing and Payment: Ability to generate invoices, manage payments, and track membership fees and payments. 4. Employee Management: Ability to add, edit, and delete employee information, track employee attendance and schedules, and manage employee access levels. 5. Equipment Tracking: Ability to track and manage gym equipment, view equipment status and maintenance history, and schedule maintenance tasks. 6. Reporting and Analytics: Ability to generate reports and view analytics on membership growth, class attendance, and employee performance. 7. Member Portal: A member portal where members can view their information, sign up for classes, and make payments. 8. Mobile App: A mobile app for members to view information and schedule classes on-thego. 9. Social Media Integration: Ability to integrate with social media platforms to promote gym activities and events. 10. Notification System: Ability to send notifications to members and employees for important events, updates, and reminders