chore(#25): Add a Postman collection that tests the LTFU flow e2e

[andrablaj]

Description

Add a Postman collection that tests the LTFU flow, end-to-end.

It is meant for more technical users who want to understand the API calls and their payloads made in the LTFU, while running all the instances locally.

medic/interoperability#25

Code review checklist

• [ ] Readable: Concise, well named, follows the style guide, documented if necessary.
• [ ] Documented: Configuration and user documentation on cht-docs
• [ ] Tested: Unit and/or e2e where appropriate
• [ ] Backwards compatible: Works with existing data and configuration or includes a migration. Any breaking changes documented in the release notes.

License

The software is provided under AGPL-3.0. Contributions to this project are accepted under the same license.

[andrablaj]

@njogz I re-tried by running the main branch locally, and the flow worked correctly.

Have you tried the steps below from the doc? Is your mediator responding correctly?

[njogz]

@andrablaj youe were right and I had not set up the mediator. All is working well now