feat: add GPS tracking with Traccar integration

- Add GPS module with Traccar client service for device management
- Add driver enrollment flow with QR code generation
- Add real-time location tracking on driver profiles
- Add GPS settings configuration in admin tools
- Add Auth0 OpenID Connect setup script for Traccar
- Add deployment configs for production server
- Update nginx configs for SSL on GPS port 5055
- Add timezone setting support
- Various UI improvements and bug fixes

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

backend/.env

@@ -31,3 +31,10 @@ AUTH0_ISSUER="https://dev-s855cy3bvjjbkljt.us.auth0.com/"
 # ============================================
 # Get API key from: https://aviationstack.com/
 AVIATIONSTACK_API_KEY="your-aviationstack-api-key"
+
+# ============================================
+# AI Copilot Configuration (Optional)
+# ============================================
+# Get API key from: https://console.anthropic.com/
+# Cost: ~$3 per million tokens
+ANTHROPIC_API_KEY="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"