Issue with Sending Attachments via Directus Email Workflow

Summary Currently, the Directus email workflow allows users to send emails using templates; however, these templates are limited to text only, with no functionality to include attachments. This restriction can impede the workflow's versatility, as users cannot send important documents or media files alongside their templated messages. Enhancing this feature to support attachments would significantly broaden the utility of the email templates, making them more adaptable to varied communication needs. Basic Example _No response_ Motivation The motivation for this enhancement stems from the current limitation within the Directus email workflow, which restricts email templates to text-only content without the ability to include attachments. This limitation constrains users from sending important documents or media files, which are often essential components of professional communications Detailed Design The proposed design involves extending the existing Directus email templat…