Security fix (minimist >= 1.2.6) + devDep version bumps

v2.0.2

Security fix - minimist  >=1.2.6

New CI setup

Swapping TravisCI with GitHub Actions workflow

New major version of Leven + devDep version bump

No functional change, but leven moved from cjs to esm.

Simple fuzzy matcher going

Fuzzy matching between query array and index array, based on leven-library