Initial commit: Clean Mold Cost Calculator application

- Flask-based mold cost calculation application
- PostgreSQL database with SQLAlchemy ORM
- Docker/Podman containerization
- Comprehensive documentation in docs/
- Clean, organized codebase without obsolete files
- Production-ready deployment configuration
- Enhanced pytest configuration with coverage reporting
- Master/Development branch structure

deploy/mold-cost-calculator.service

@@ -0,0 +1,16 @@
+[Unit]
+Description=Mold Cost Calculator
+After=network.target
+
+[Service]
+User=jimmyg
+Group=jimmyg
+WorkingDirectory=/home/jimmyg/mold_cost_online_app
+Environment="PATH=/home/jimmyg/mold_cost_online_app/venv/bin"
+Environment="FLASK_APP=run.py"
+Environment="FLASK_ENV=production"
+ExecStart=/home/jimmyg/mold_cost_online_app/venv/bin/gunicorn -c gunicorn_config.py run:app
+Restart=always
+
+[Install]
+WantedBy=multi-user.target