Set envvars for zk root

dotfiles/config/bashum/main.bashrc

@@ -932,3 +932,5 @@ xhost >& /dev/null && xset b off
 # get rid of those .pyc files once and for all
 export PYTHONDONTWRITEBYTECODE=1
 
+export ZK_ROOT="$HOME/.local/pim/zk"
+export ZKZIG_ROOT="$HOME/.local/pim/zk"