Support form management

[florianm]

Feature

Support missing API endpoints:

• https://odkcentral.docs.apiary.io/#reference/forms-and-submissions/'-individual-form/retrieving-form-xls(x)
• https://odkcentral.docs.apiary.io/#reference/forms-and-submissions/'-individual-form/listing-form-attachments
• https://odkcentral.docs.apiary.io/#reference/forms-and-submissions/'-individual-form/downloading-a-form-attachment
• https://odkcentral.docs.apiary.io/#reference/forms-and-submissions/'-individual-form/modifying-a-form
• https://odkcentral.docs.apiary.io/#reference/forms-and-submissions/'-individual-form/deleting-a-form
• https://odkcentral.docs.apiary.io/#reference/forms-and-submissions/'-draft-form/creating-a-draft-form
• https://odkcentral.docs.apiary.io/#reference/forms-and-submissions/'-draft-form/getting-draft-form-details
• https://odkcentral.docs.apiary.io/#reference/forms-and-submissions/'-draft-form/retrieving-draft-form-xml
• https://odkcentral.docs.apiary.io/#reference/forms-and-submissions/'-draft-form/retrieving-draft-form-xls(x)
• https://odkcentral.docs.apiary.io/#reference/forms-and-submissions/'-draft-form/listing-expected-form-attachments
• https://odkcentral.docs.apiary.io/#reference/forms-and-submissions/'-draft-form/uploading-a-form-attachment
• https://odkcentral.docs.apiary.io/#reference/forms-and-submissions/'-draft-form/downloading-a-form-attachment
• https://odkcentral.docs.apiary.io/#reference/forms-and-submissions/'-draft-form/clearing-a-form-attachment
• https://odkcentral.docs.apiary.io/#reference/forms-and-submissions/'-draft-form/getting-draft-form-schema-fields
• https://odkcentral.docs.apiary.io/#reference/forms-and-submissions/'-draft-form/publishing-a-draft-form
• https://odkcentral.docs.apiary.io/#reference/forms-and-submissions/'-draft-form/deleting-a-draft-form
• https://odkcentral.docs.apiary.io/#reference/forms-and-submissions/'-published-form-versions/listing-published-form-versions
• https://odkcentral.docs.apiary.io/#reference/forms-and-submissions/'-published-form-versions/getting-form-version-details
• https://odkcentral.docs.apiary.io/#reference/forms-and-submissions/'-published-form-versions/retrieving-form-version-xml
• https://odkcentral.docs.apiary.io/#reference/forms-and-submissions/'-published-form-versions/retrieving-form-version-xls(x)
• https://odkcentral.docs.apiary.io/#reference/forms-and-submissions/'-published-form-versions/listing-form-version-attachments
• https://odkcentral.docs.apiary.io/#reference/forms-and-submissions/'-published-form-versions/downloading-a-form-attachment
• https://odkcentral.docs.apiary.io/#reference/forms-and-submissions/'-published-form-versions/getting-form-version-schema-fields
• https://odkcentral.docs.apiary.io/#reference/forms-and-submissions/'-form-assignments/listing-all-form-assignments
• https://odkcentral.docs.apiary.io/#reference/forms-and-submissions/'-form-assignments/listing-all-actors-assigned-some-form-role
• https://odkcentral.docs.apiary.io/#reference/forms-and-submissions/'-form-assignments/assigning-an-actor-to-a-form-role
• https://odkcentral.docs.apiary.io/#reference/forms-and-submissions/'-form-assignments/revoking-a-form-role-assignment-from-an-actor
• https://odkcentral.docs.apiary.io/#reference/forms-and-submissions/'-public-access-links/listing-all-links
• https://odkcentral.docs.apiary.io/#reference/forms-and-submissions/'-public-access-links/creating-a-link
• https://odkcentral.docs.apiary.io/#reference/forms-and-submissions/'-public-access-links/deleting-a-link

Create vignettes for workflows.
Assign to family form-management.

Before we can add unit tests for the CRUD endpoints, which will generate copious amounts of forms and also delete some, we will need a dedicated test server that's far, far away from any production data. Setting up such a test server will be done by Florian after a short baby break.

[florianm]

https://forum.getodk.org/t/odk-central-and-r-python-automation-for-complex-data-management-projects/32779

Worked examples by @Thaliehln on the ODK Forum re form draft mgmt.