Rebrand from Casera/MyCrib to honeyDue

Total rebrand across all Go API source files:
- Go module path: casera-api -> honeydue-api
- All imports updated (130+ files)
- Docker: containers, images, networks renamed
- Email templates: support email, noreply, icon URL
- Domains: casera.app/mycrib.treytartt.com -> honeyDue.treytartt.com
- Bundle IDs: com.tt.casera -> com.tt.honeyDue
- IAP product IDs updated
- Landing page, admin panel, config defaults
- Seeds, CI workflows, Makefile, docs
- Database table names preserved (no migration needed)

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

deploy/prod.env.example

@@ -1,20 +1,20 @@
 # API service settings
 DEBUG=false
-ALLOWED_HOSTS=api.casera.app,casera.app
-CORS_ALLOWED_ORIGINS=https://casera.app,https://admin.casera.app
+ALLOWED_HOSTS=api.honeyDue.treytartt.com,honeyDue.treytartt.com
+CORS_ALLOWED_ORIGINS=https://honeyDue.treytartt.com,https://admin.honeyDue.treytartt.com
 TIMEZONE=UTC
-BASE_URL=https://casera.app
+BASE_URL=https://honeyDue.treytartt.com
 PORT=8000
 
 # Admin service settings
-NEXT_PUBLIC_API_URL=https://api.casera.app
-ADMIN_PANEL_URL=https://admin.casera.app
+NEXT_PUBLIC_API_URL=https://api.honeyDue.treytartt.com
+ADMIN_PANEL_URL=https://admin.honeyDue.treytartt.com
 
 # Database (Neon recommended)
 DB_HOST=CHANGEME_NEON_HOST
 DB_PORT=5432
 POSTGRES_USER=CHANGEME_DB_USER
-POSTGRES_DB=casera
+POSTGRES_DB=honeydue
 DB_SSLMODE=require
 DB_MAX_OPEN_CONNS=25
 DB_MAX_IDLE_CONNS=10
@@ -29,13 +29,13 @@ EMAIL_HOST=smtp.gmail.com
 EMAIL_PORT=587
 EMAIL_USE_TLS=true
 EMAIL_HOST_USER=CHANGEME_EMAIL_USER
-DEFAULT_FROM_EMAIL=Casera <noreply@casera.app>
+DEFAULT_FROM_EMAIL=honeyDue <noreply@honeyDue.treytartt.com>
 
 # Push notifications
 # APNS private key goes in deploy/secrets/apns_auth_key.p8
 APNS_AUTH_KEY_ID=CHANGEME_APNS_KEY_ID
 APNS_TEAM_ID=CHANGEME_APNS_TEAM_ID
-APNS_TOPIC=com.tt.casera
+APNS_TOPIC=com.tt.honeyDue
 APNS_USE_SANDBOX=false
 APNS_PRODUCTION=true