v2.1.0

Changelog

• 21c2112: feat(install): add curl|sh installer for non-brew/non-go setups (@philippe-desplats)
• bacbc58: feat(setup): add guided first-run wizard with auto-detection (@philippe-desplats)
• 14f7314: fix(homebrew): strip install quarantine and add setup caveats (@philippe-desplats)