title: Include exclude packages in serverless yml from same folder
body: <p>I have a node_modules folder from there i want to exclude only few modules but other modules should be added while packaging. How can i do that.Also how to exclude some modules using regex. like in my node_modules I have created custom modules that starts with md-request, md-models etc. so i want to exclude only these modules from packaging.
  Thanks in advance.  </p>