Merge branch 'main' of https://github.com/NohealthyBBQ/sloci_caravel into main

Merging

sourceme_precheck

diff --git a/sourceme_precheck b/sourceme_precheck
index 2b1a623..70bae9a 100644
--- a/sourceme_precheck
+++ b/sourceme_precheck
@@ -3,5 +3,6 @@
 # define the location of the project
 export PROJECT_ROOT="/home/zexi/project/sloci_caravel"
 export PDK_ROOT="/pdk/open_pdks/install/share/pdk"
+export PDK_PATH="/pdk/open_pdks/install/share/pdk/sky130A"
 make run-precheck