As a shop admin, when I get a new subscriber they at added to Mailchimp

[chrisjsimpson]

Is your feature request related to a problem? Please describe.

As a subscriber, it's a manual process to export subscribers as CSV (toil) and then, where appropriate, upload that CSV and/or new subscriber individually to Mailchimp.

Describe the solution you'd like

When a new subscriber occurs in Subscribie, submit that subscriber's email address to Mailchimp.

Describe alternatives you've considered

Additional context

• It's mandatory to include guidance to shop owners to seek permissions to do this (such as using the terms & conditions feature, or Questions & answers feature.

Related: #1392

[github-actions[bot]]

:rocket: Issue was released in v0.1.201 :rocket:

[github-actions[bot]]

:rocket: Issue was released in v0.1.201 :rocket:

[github-actions[bot]]

:rocket: Issue was released in v0.1.201 :rocket:

[github-actions[bot]]

:rocket: Issue was released in v0.1.201 :rocket:

[github-actions[bot]]

:rocket: Issue was released in v0.1.201 :rocket:

[github-actions[bot]]

:rocket: Issue was released in v0.1.201 :rocket:

[github-actions[bot]]

:rocket: Issue was released in v0.1.201 :rocket:

[github-actions[bot]]

:rocket: Issue was released in v0.1.201 :rocket:

[github-actions[bot]]

:rocket: Issue was released in v0.1.201 :rocket:

[github-actions[bot]]

:rocket: Issue was released in v0.1.201 :rocket:

[github-actions[bot]]

:rocket: Issue was released in v0.1.201 :rocket:

[github-actions[bot]]

:rocket: Issue was released in v0.1.201 :rocket:

[github-actions[bot]]

:rocket: Issue was released in v0.1.201 :rocket:

[github-actions[bot]]

:rocket: Issue was released in v0.1.201 :rocket:

[github-actions[bot]]

:rocket: Issue was released in v0.1.201 :rocket: