Update .env.example with new environment variables for Firebase integration

.env.example

@@ -1,75 +1,90 @@
 ACCESS_KEY=
- 
+
 AZURE_POSTGRESQL_DATABASE=
- 
+
 AZURE_POSTGRESQL_HOST=
- 
+
 AZURE_POSTGRESQL_PASSWORD=
- 
+
 AZURE_POSTGRESQL_PORT=
- 
+
 AZURE_POSTGRESQL_SSL=
- 
+
 AZURE_POSTGRESQL_SYNC=
- 
+
 AZURE_POSTGRESQL_USER=
- 
+
 AZURE_REDIS_CONNECTIONSTRING=
- 
+
 BASE_URL=
- 
+
 DB_SYNC=
- 
+
 DOCKER_REGISTRY_SERVER_PASSWORD=
- 
+
 DOCKER_REGISTRY_SERVER_URL=
- 
+
 DOCKER_REGISTRY_SERVER_USERNAME=
- 
+
 DOPPLER_CONFIG=
- 
+
 DOPPLER_ENVIRONMENT=
- 
+
 DOPPLER_PROJECT=
- 
+
 JWT_EXPIRE_TIME=
- 
+
 JWT_EXPIRE_TIME_REFRESH=
- 
+
 JWT_SECRET=
- 
+
 JWT_SECRET_REFRESH=
- 
+
 SECRET_KEY=
- 
+
 SMTP_HOST=
- 
+
 SMTP_PASSWORD=
- 
+
 SMTP_PORT=
- 
+
 SMTP_SECURE=
- 
+
 SMTP_USER=
- 
+
 WEBSITES_ENABLE_APP_SERVICE_STORAGE=
- 
+
 PORT=
- 
+
 SUPER_ADMIN_EMAIL=
- 
+
 SUPER_ADMIN_PASSWORD=
- 
+
 TUYA_ACCESS_ID=
- 
+
 TUYA_ACCESS_KEY=
- 
+
 ONESIGNAL_APP_ID=
- 
+
 ONESIGNAL_API_KEY=
- 
+
 TRUN_ON_TUYA_SOCKET=
- 
+
 TUYA_EU_URL=
- 
-MONGODB_URI=
+
+FIREBASE_API_KEY=
+
+FIREBASE_AUTH_DOMAIN=
+
+FIREBASE_PROJECT_ID=
+
+FIREBASE_STORAGE_BUCKET=
+
+FIREBASE_MESSAGING_SENDER_ID=
+
+FIREBASE_APP_ID=d
+
+FIREBASE_MEASUREMENT_ID=
+
+FIREBASE_DATABASE_URL=
+