As a shop owner, I can archive subscriptions which a subscriber never completed during checkout (abandoned checkouts)

[chrisjsimpson]

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

Currently, Subscribie shows the shop owner Abandoned checkouts sign-ups- this is useful from a analytics/marketing perspective permitted (because it shows attempted but not completed checkouts), however, can cause clutter if they acumulate- e.g. an attempted/started checkout from 3 months ago may not be very useful.

Describe the solution you'd like
As a shop owner, I can archive abandoned sign-ups. Note the nuaiance , this is issue is not to archive a subscriber, only the ability to archive an associated Subscription which has not completed it's checkout flow.

tldr: Add the HasArchived mixin to the Subscription model. See additional context below.

Describe alternatives you've considered

Additional context

What do we call these: Abandoned checkouts

Consider user mistakes, how can a shop owner view archived subscription attempts?

Note we have a pattern for allowing the archival (soft-delete) of database records, see

• https://github.com/Subscribie/subscribie/blob/4ba736e39a1e867186fee4e4ec28ae8b4b1d3a3e/subscribie/models.py#L95C7-L98

and example usages:

• subscribie/subscribie/models.py

  Line 1275 in 4ba736e

  class Document(database.Model, HasArchived, HasReadOnly, HasCreatedAt):

• subscribie/subscribie/models.py

  Line 655 in 4ba736e

  class Plan(database.Model, HasArchived, HasCreatedAt):