Add new files in a Dropbox folder to HackMD

“Anytime a new file in folder is created in Dropbox, create note in HackMD. This lets me send Markdown files I work on locally (in Ulysses, Zettler, etc.) to HackMD so other folks can comment on them. As set up, the HackMD permissions are set so that anyone who visits the HackMD URL can read, but only the HackMD account owner can write. (We don’t seem to be able to set comment permissions through Zapier.)”