2.1.0

What's Changed

• createGeohashesBoundingBox by @anovis in #11

Full Changelog: 2.0.0...2.1.0

2.0.0

• migrate to null safety
• include dart_geohash library

1.1.0

fixed duplicate error (#2) for geohashes with precision greater than 3.

1.0.2

added doc-strings and ran dartfmt

1.0.1

remove flutter dependency