fix: detect if git is installed and exit with a clear error - #279

fix: detect if git is installed and exit with a clear error#279

sunasrd-byte wants to merge 1 commit into

Codeplain-ai:mainCodeplain-ai/codeplain:mainfrom

sunasrd-byte:fix/133-git-preflightsunasrd-byte/codeplain:fix/133-git-preflightCopy head branch name to clipboard