feat(install): add --dry-run and --help flags to install.sh#19

Kartalops wants to merge 3 commits into

withkynam:mainwithkynam/vibecode-pro-max-kit:mainfrom

Kartalops:feat/arvuno/install-dry-run-flagKartalops/vibecode-pro-max-kit:feat/arvuno/install-dry-run-flagCopy head branch name to clipboard