Port status: Addressfield StaticMap

[jenlampton]

Name of the module, theme, or layout you are working on
Address Field Static Map

Link to the drupal.org module, theme, or layout

(Optional) Link to the drupal.org issue where you notified the Drupal maintainer(s) of this port
https://www.drupal.org/project/addressfield_staticmap/issues/3551092

Do you need assistance with this port?
I'll need help with testing and QA when it's ready

Here is the Backdrop version in-progress
https://github.com/backdrop-contrib/addressfield_staticmap