extends the functionality of oauth in Stirling PDF

[Ludy87]

Description

supplements the settings for oauth2, an available claim can be used instead of the email. The address for the provider is important for Keycloak because the session is not deleted in Keycloak.

Closes #976

Checklist:

• [x] I have read the Contribution Guidelines
• [x] I have performed a self-review of my own code
• [x] I have commented my code, particularly in hard-to-understand areas
• [x] My changes generate no new warnings

Contributor License Agreement

By submitting this pull request, I acknowledge and agree that my contributions will be included in Stirling-PDF and that they can be relicensed in the future under the MPL 2.0 (Mozilla Public License Version 2.0) license.

(This does not change the general open-source nature of Stirling-PDF, simply moving from one license to another license)

[Ludy87]

@Frooodle wait!

[Frooodle]

I shall wait

[Frooodle]

Taken hands off 😂

[Frooodle]

Not broken is it? 😂

[Ludy87]

something broken in the design

[Frooodle]

Good to go?

[Ludy87]

For me, yes, but for you I don't know 😅