v0.0.5

Changelog

• 6f88afe feat(build): add make targets for semver bump and tag push
• b130e49 fix(build): inject version via ldflags so TUI shows real version
• 37b3951 fix(install): use OS-aware checksum tool to fix macOS verification
• c50bce1 style(tui): shrink down/up speed column widths in console