3 new commits pushed to

<https://github.com/RTimothyEdwards/open_pdks/tree/master|master>

by RTimothyEdwards

<https://github.com/RTimothyEdwards/open_pdks/commit/d2e57fc48c8b5ba7f173106b2f47189c1dcd100a|d2e57fc4>

- Added a rule to the magic DRC deck to check for low-voltage diffusion

<https://github.com/RTimothyEdwards/open_pdks/commit/b52680c52f40c9208d61eb250124bcc75c33501e|b52680c5>

- Created a custom script to add the line "USEMINSPACING OBS OFF" to

<https://github.com/RTimothyEdwards/open_pdks/commit/2a198f76a873c7c7787cfdbb50fecce4cb23adf9|2a198f76>

- Added missing nsd.1, nsd.2, psd.1, and psd.2 rules to the MR rule RTimothyEdwards/open_pdks