Add .dockerignore for optimized Docker builds

Author: infinitimeless

.dockerignore

@@ -0,0 +1,63 @@
+# Version control
+.git
+.gitignore
+
+# Documentation
+*.md
+!README.md
+docs/
+
+# 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/
+env.bak/
+venv.bak/
+
+# IDE
+.vscode/
+.idea/
+*.swp
+*.swo
+*~
+
+# OS
+.DS_Store
+Thumbs.db
+
+# Logs
+logs/
+*.log
+
+# Testing
+.pytest_cache/
+.coverage
+htmlcov/
+.tox/
+
+# Docker
+Dockerfile*
+docker-compose*
+.dockerignore