replaced generate_index with generate_hook so that the -r | --regenerate case won't need to be altered if I want to run multiple generate jobs when need

utils/main.sh

@@ -35,8 +35,8 @@ while [[ $# -ne 0 ]]; do
             ;;
 
         -r | --regenrate )
-            ## This will regnerate index
-            generate_index
+            ## This will run all generate scripts/functions in the generate_hook function
+            generate_hook
             exit 0
             ;;
         *)