Luís Murta 55bd87c864
Implements /transactions PUT method
Adds PUT method to OpenAPI spec.

Given that the transaction IDs are generated on server-side, for the PUT
method to remain idempotent, it can only update existing transactions.

It also adds a TransactionExists method on the DAL.

Issue: #20
2024-06-22 22:30:00 +01:00
..
2024-06-22 22:30:00 +01:00