feat(tools): add convertGitignorePatternToMinimatch utility#1

Draft

Copilot wants to merge 3 commits intomasterfrom

copilot/add-git-ignore-to-minimatch-converter

Commits on May 1, 2026

initial plan

Copilot
and
GoodbyeNJN
authored
feat: add convertGitignorePatternToMinimatch utility function with tests

Copilot
and
GoodbyeNJN
authored
refactor(tests): rewrite as e2e tests using node-ignore, fix trailing whitespace, remove package-lock.json

Copilot
and
GoodbyeNJN
authored