backend .dockerignore file added

Author: Ragini-Microsoft

content-gen/src/backend/.dockerignore

@@ -0,0 +1,53 @@
+# Python cache
+__pycache__/
+*.py[cod]
+*$py.class
+*.so
+.Python
+
+# Environment variables
+.env
+.env.*
+!.env.sample
+
+# Testing
+.pytest_cache/
+.coverage
+.coverage.*
+htmlcov/
+.tox/
+.nox/
+coverage.xml
+*.cover
+
+# Development tools
+.vscode/
+.idea/
+*.swp
+*.swo
+*~
+
+# Documentation
+*.md
+docs/
+
+# Git
+.git/
+.gitignore
+.gitattributes
+
+# Logs
+*.log
+logs/
+
+# Development dependencies
+requirements-dev.txt
+
+# OS files
+.DS_Store
+Thumbs.db
+
+# Docker
+.dockerignore
+Dockerfile
+*.Dockerfile