What to port from GeoKJson

[sargunv]

Compare GeoKJson's list of ported functions to our list of ported functions.

It's probably easiest to cherry pick those implementations by copying the functions directly rather than merging commits.

Each such PR should remember to include this at the bottom of the commit message:

Co-authored-by: Sebastian Heeschen <elcolto@users.noreply.github.com>

[sargunv]

The list of functions present in GeoKJson that we're missing:

Measurement

• centerOfMass
  • Measurement - centerOfMass #5
• centroid
  • Measurement - centroid #6
• pointOnFeature
  • Measurement - pointOnFeature #11
• polygonTangents
  • Measurement - polygonTangents #12
• rhumbBearing
  • Measurement - rhumbBearing #14
• rhumbDestination
  • Measurement - rhumbDestination #15

Coordinate Mutation

• cleanCoords
  • Coordinate Mutation - cleanCoords #19
• flip
  • Coordinate Mutation - flip #20

Transformation

• convex
  • Transformation - convex #28
• transformScale
  • Transformation - transformScale #37

Booleans

• booleanClockwise
• booleanPointOnLine
• booleanTouches
• booleanWithin