modify run to accept a subdirectory, so can be compatible with editor files in same project directory

run

@@ -15,15 +15,16 @@ else
   echo warning no environoment file set for $1 in $RDIR/sites
 fi
 DATA_DIR=${DATA_DIR:-${HOME}/.local/hugo}
+DATA_DIR=${DATA_DIR}/${1}$([[ $DATA_SUB_DIR ]] && echo "/$DATA_SUB_DIR")
 HUGO=${HUGO:-$(command -v hugo)}
 PORT=${PORT:-8096}
-echo site files in $DATA_DIR/$1 listening on port $PORT
+echo site files in $DATA_DIR listening on port $PORT
 # [[ $(netstat -tulpn | grep LISTEN | grep 0.0.0.0:$PORT) ]] && echo tcp port $PORT is busy can not start hugo server && exit
 CMD="$HUGO server
 $([[ $BASE_URL = "https://"* ]] && echo " --liveReloadPort 443")
 --bind 0.0.0.0
 --themesDir $RDIR/themes
---source $DATA_DIR/$1
+--source $DATA_DIR
 --port $PORT
 --appendPort=$([[ $REVERSE_PROXY = true ]] && echo false || echo true)
 --baseURL ${BASE_URL:-localhost}