new release 2.1.1

format: remove unnecessary blank line in README.md

upgrade dependencies

new npm release

chore: bump version to 1.1.6

chore: bump version to 1.1.5

chore: bump version to 1.1.4

chore: bump version to 1.1.3 in package.json

chore: bump version to 1.1.0

chore: bump version to 1.0.6 and add feat #27