Multiple Image attachments in Hangouts Notification

Feature Requests
1

The current Hangouts Notification (https://www.home-assistant.io/components/notify.hangouts/ ) appears to only allow single image attachments.

Alternatively, SMTP Notification (https://www.home-assistant.io/components/notify.smtp/ ) to send MMS via MMS Gateway allows this functionality with multiple image attachments.

2

FYI, Google is scrapping Hangouts in about a years time

3

Users will be moved to Hangous Chat then.

4

Which will likely be new apis :frowning: