adopt CRS inducing nodes – fix CRS warning

[jGaboardi]

This PR resolves #118

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 98.9%. Comparing base (cfe7273) to head (b216bbf).
Report is 1 commits behind head on main.

Additional details and impacted files

@@          Coverage Diff          @@
##            main    #119   +/-   ##
=====================================
  Coverage   98.9%   98.9%           
=====================================
  Files          6       6           
  Lines        936     936           
=====================================
  Hits         926     926           
  Misses        10      10           

Files with missing lines	Coverage Δ
sgeop/nodes.py	100.0% <100.0%> (ø)