Completed the unfinished DRC check script, renamed it to
"run_standard_drc.py", and added a preliminary antenna rule
violation check script.
diff --git a/sky130/Makefile.in b/sky130/Makefile.in
index df68956..3e10159 100644
--- a/sky130/Makefile.in
+++ b/sky130/Makefile.in
@@ -418,6 +418,8 @@
 	cp -rp custom/scripts/bump_bond_generator ${MAGIC_STAGING_A}/.
 	cp custom/scripts/generate_fill.py ${MAGIC_STAGING_A}/.
 	cp custom/scripts/check_density.py ${MAGIC_STAGING_A}/.
+	cp custom/scripts/run_standard_drc.py ${MAGIC_STAGING_A}/.
+	cp custom/scripts/check_antenna.py ${MAGIC_STAGING_A}/.
 	${CPP} ${SKY130A_DEFS} magic/${TECH}.tech ${MAGIC_STAGING_A}/${SKY130A}.tech
 	${CPP} ${SKY130A_DEFS} magic/${TECH}gds.tech ${MAGIC_STAGING_A}/${SKY130A}-GDS.tech
 	${CPP} ${SKY130A_DEFS} magic/${TECH}.magicrc ${MAGIC_STAGING_A}/${SKY130A}.magicrc