Release v1.1.6

Release v1.1.6 (2026-01-19)

chore(brew): remove caveats from formula to pass audit –strict
chore(brew): update generate_brew_formula.py to produce audit-compatible formula without trailing blank lines
fix(brew): ensure Formula/indexly.rb has no trailing blank lines after final ’end'
chore(release): prepare v1.1.6 for tagging and Homebrew tap release