Firebase Firestore Sync Fix

I need help with Firebase Firestore synchronization issues on my PWA. My code is ready, but I can't connect to the database.

Requirements:
- Expertise in Firebase and Firestore
- Experience with Progressive Web Apps (PWAs)
- Ability to troubleshoot synchronization issues

Ideal Skills and Experience:
- Proficient in JavaScript/TypeScript
- Familiar with PWA development and Firebase integration
- Strong problem-solving skills

Looking for a freelancer who can assist via screen sharing to resolve this issue.