feat: Update frontend and backend configurations for development environment
- Downgrade PyP100 version in requirements.txt for compatibility.
- Add new frontend routes for index, login, dashboard, printers, jobs, and profile pages.
- Modify docker-compose files for development setup, including environment variables and service names.
- Update Caddyfile for local development with Raspberry Pi backend.
- Adjust health check route to use updated backend URL.
- Enhance setup-backend-url.sh for development environment configuration.
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