first working version

exam_system/.gitignore

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+# Python
+__pycache__/
+*.py[cod]
+*$py.class
+*.so
+.Python
+env/
+venv/
+*.egg-info/
+.eggs/
+dist/
+build/
+
+# Django
+*.log
+local_settings.py
+db.sqlite3
+*.sqlite3
+
+# Node
+node_modules/
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+
+# Angular
+/exam_web/dist/
+/exam_web/.angular/
+
+# IDE
+.vscode/
+.idea/
+*.swp
+*.swo
+*~
+
+# OS
+.DS_Store
+Thumbs.db
+
+# Data (keep structure, ignore contents)
+data/attempts/**/*
+data/output/**/*
+data/progress/**/*
+!data/attempts/.gitkeep
+!data/output/.gitkeep
+!data/progress/.gitkeep
+
+# Environment
+.env
+*.env
+!env.example
+
+# Docker
+*.pid