docs(readme): show options for endpoint --models flag

Author: Awk34

readme.md

@@ -135,7 +135,7 @@ Options:
   -h,   --help               # Print the generator's options and usage
         --skip-cache         # Do not remember prompt answers           Default: false
         --route              # URL for the endpoint
-        --models             # Specify which model(s) to use
+        --models             # Specify which model(s) to use            Options: mongoose, sequelize
         --endpointDirectory  # Parent directory for enpoints
 
 Arguments: