notes on script and add sample env

.env-sample

@@ -0,0 +1,8 @@
+user=db_user
+password=db_pass
+host=db_host
+port=db_port
+database=db_ubm
+ssl=enable
+wd=/home/pt/pivot_forecast/
+nodeport=8082

generate_sql/generate_route_sql.sh

@@ -1,2 +1,4 @@
+# execure the sql for baseline which builds the sql and inserts into a table
 $PGD -f generate_sql/gen_baseline.sql
+# pull the sql out of the table and write it to route directory
 $PGD -c "SELECT t FROM fc.sql WHERE cmd = 'baseline'" -t -A -o route_sql/baseline.sql