Initial commit: Shop Database Flask Application

Flask backend with Vue 3 frontend for shop floor machine management.
Includes database schema export for MySQL shopdb_flask database.

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

.gitignore

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+# Python
+__pycache__/
+*.py[cod]
+*$py.class
+*.so
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+
+# Virtual environments
+venv/
+ENV/
+env/
+.venv/
+
+# IDE
+.idea/
+.vscode/
+*.swp
+*.swo
+*~
+
+# Flask
+instance/
+.env
+*.db
+*.sqlite
+
+# Testing
+.coverage
+htmlcov/
+.pytest_cache/
+.tox/
+
+# Logs
+logs/
+*.log
+
+# OS
+.DS_Store
+Thumbs.db
+
+# Node/Frontend
+node_modules/
+frontend/dist/
+*.local