scaffolds/cpp: Add newline at end of .gitignore
scaffolds/cpp: Add newline at end of .gitignore

euranova/code_retreat,euranova/code_retreat,euranova/code_retreat,euranova/code_retreat,euranova/code_retreat,euranova/code_retreat,euranova/code_retreat,euranova/code_retreat,euranova/code_retreat,euranova/code_retreat,euranova/code_retreat