The problem with Matt Haughey’s Google Doc template emulating Medium’s look is that when you copy…
Stowe Boyd

My intention was never to build an import mechanism for Medium, but a better WYSIWYG display for drafts inside of Google Docs being reviewed by editors and writers. I just wanted our draft work that sometimes last weeks to more closely resemble the final product.

As far as I know, you can import markdown directly into Medium by just copying/pasting markdown text and pasting into the Medium editor, which should auto-convert everything instantly (it used to at least).