Initial setup of frontend and backend

.gitignore

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+# Dependencies
+node_modules/
+__pycache__/
+*.py[cod]
+*$py.class
+*.egg-info/
+.venv/
+venv/
+
+# Build outputs
+dist/
+build/
+out/
+
+# Environment and secrets
+.env
+.env.*
+!.env.example
+*.pem
+*.key
+*.crt
+credentials.json
+secrets.json
+*.secret
+
+# Database
+*.db
+*.sqlite
+*.sqlite3
+
+# Logs
+logs/
+*.log
+
+# OS files
+.DS_Store
+Thumbs.db
+ehthumbs.db
+Desktop.ini
+
+# Editor/IDE
+.idea/
+.vscode/
+*.swp
+*.swo
+*~
+*.sublime-workspace
+*.sublime-project
+
+# Test coverage
+coverage/
+.nyc_output/
+.pytest_cache/
+htmlcov/
+.coverage
+
+# Temporary files
+tmp/
+temp/
+*.tmp
+*.temp
+
+# Local config overrides
+*.local