Revert "Revert ":circus_tent: Added .gitattributes & .gitignore files""

This reverts commit debe54cf4c9a1f4744ab89d3c12a2e40cd36f155.
Revert ":circus_tent: Added .gitattributes & .gitignore files"

This reverts commit de82fcce6fe97428a50ad7d0974d9265bde0816e.
mission

mission system