open-source-silicon.dev

<https://github.com/RTimothyEdwards/open_pdks/pull/264|#264 Added reram layers r1c* and rename sky130.lyp to sky130B.lyp>
Pull request opened by <https://github.com/mkkassem|mkkassem>
Added reram layers r1c.* and added B to the file name

#------------------------------------------------  
r1c drawing 201 20  
r1c pin 201 251  
r1c label 201 237  
r1c res 201 16  
r1c net 201 253  
r1c mask 201 0  
r1c fill_block 201 24  
r1c blockage 201 230  
r1c boundary 201 4  
#------------------------------------------------
<https://github.com/RTimothyEdwards/open_pdks|RTimothyEdwards/open_pdks>