Update Custom Vowpal.py #61

	name: cache mybinder build
	on: [push]

	jobs:
	Create-MyBinderOrg-Cache:
	runs-on: ubuntu-latest
	steps:
	- name: cache binder build on mybinder.org
	uses: jupyterhub/repo2docker-action@master
	with:
	NO_PUSH: true
	MYBINDERORG_TAG: "HEAD"

Provide feedback