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<https://github.com/RTimothyEdwards/open_pdks/issues/340|#340 append gf180mcu pdk paths to xschemrc>
Issue created by <https://github.com/proppy|proppy>
I noticed that skywater adds the following to `xschemrc`:  
<https://github.com/RTimothyEdwards/open_pdks/blob/master/sky130/custom/xschem/xschemrc_append|https://github.com/RTimothyEdwards/open_pdks/blob/master/sky130/custom/xschem/xschemrc_append>

Should open_pdks do the same for gf180mcu?
<https://github.com/RTimothyEdwards/open_pdks|RTimothyEdwards/open_pdks>