Calculate the Manhattan distance between two points
This module exposes the function distance(a, b), which determines the Manhattan distance between points a and b.
> const distance = require('manhattan')
> distance([2, 5], [4, 8])
5semibran/euclidean- calculate Euclidean distancesemibran/chebyshev- calculate Chebyshev distancesemibran/vector- more vector mathkchapelier/von-neumann- find all points within a given Manhattan distance

