Readme n_dims vs. n_components

[AndreasGerken]

In the example in REAMDE.md, the PaCMAP object is initialized with

embedding = pacmap.PaCMAP(n_dims=2, n_neighbors=None, MN_ratio=0.5, FP_ratio=2.0) 

This produces an error TypeError: __init__() got an unexpected keyword argument 'n_dims'.
Probably it should be n_comonents instead of n_dims.

[hyhuang00]

Thank you! This problem has been resolved.