* Clean up usings and controller attributes
- Removed redundant attributes when the controllers already specifies what the result type is.
- Use StatusCodes instead of HttpStatusCode.
- Clean up namespaces and use type aliases to disambiguate the many DTOs defined.
* Forgot one
* Update src/Services/Webhooks/Webhooks.API/Controllers/WebhooksController.cs
Co-authored-by: Reuben Bond <203839+ReubenBond@users.noreply.github.com>
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Co-authored-by: Reuben Bond <203839+ReubenBond@users.noreply.github.com>