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>

frontend/Dockerfile

@@ -12,23 +12,11 @@ COPY package*.json ./
 # Install dependencies
 RUN npm ci
 
-# Copy application source
+# Copy application source (includes .env.production with correct values)
 COPY . .
 
-# Accept build-time environment variables
-# These are embedded into the build by Vite
-ARG VITE_API_URL
-ARG VITE_AUTH0_DOMAIN
-ARG VITE_AUTH0_CLIENT_ID
-ARG VITE_AUTH0_AUDIENCE
-
-# Set environment variables for build
-ENV VITE_API_URL=$VITE_API_URL
-ENV VITE_AUTH0_DOMAIN=$VITE_AUTH0_DOMAIN
-ENV VITE_AUTH0_CLIENT_ID=$VITE_AUTH0_CLIENT_ID
-ENV VITE_AUTH0_AUDIENCE=$VITE_AUTH0_AUDIENCE
-
-# Build the application (skip tsc check, vite build only)
+# Build the application
+# Vite automatically uses .env.production for production builds
 RUN npx vite build
 
 # ==========================================