[FEATURE] Support for deleting an asset from the Zapier integration

[nicomiguelino]

Problem Statement

Using the actions that are currently supported by the integration, it's not possible to delete a Screenly asset when a file is deleted from Google Drive, Box, or Dropbox.

Proposed Solution

Create a new action that removes a Screenly asset when a file is removed (from Google Drive for example).

[nicomiguelino]

Google Drive's Zapier integration doesn't support file deletion as a trigger:

Making this feature work almost seems impossible. Achieving this is likely tricky.