Support for branding theme API endpoints

[nowylie]

Checklist

• I have looked into the Readme and have not found a suitable solution or answer.
• I have looked into the API documentation and have not found a suitable solution or answer.
• I have searched the issues and have not found a suitable solution or answer.
• I have searched the Auth0 Community forums and have not found a suitable solution or answer.
• I agree to the terms within the Auth0 Code of Conduct.

Describe the problem you'd like to have solved

This library doesn't appear to have support for the branding theme API endpoints used to get/set custom theme settings for universal login

Describe the ideal solution

Add support for these endpoints

Alternatives and current workarounds

No response

Additional context

We're making use of this library to sync settings with our Auth0 tenants and now have need of these API endpoints. The specific endpoints we need to utilize are:

• https://auth0.com/docs/api/management/v2/branding/get-default-branding-theme
• https://auth0.com/docs/api/management/v2/branding/patch-branding-theme

I've had a look at the code for this project and had a go at implementing these changes myself in a branch here: branding-theme-support

I don't have much experience with C# though (and didn't write any tests) so I'm not sure if this is a suitable starting point for this feature or not. More than happy to open a Pull Request if that's helpful!

[kailash-b]

@nowylie Thanks for reaching out.
Please go ahead and raise a PR.
We will use your changes - add more/modify if required and get that merged.

Please be aware that, this could only be addressed sometime in January 2025.