Updated admin model to register auth provider type

[petruki]

This pull request introduces support for multiple authentication providers (email, GitHub, Bitbucket) in the Switcher API, updates related documentation, and improves dependency versions for better stability and security. The most important changes are grouped below.

Authentication Provider Support

• Added auth_provider field to the admin model and OpenAPI schema, with support for email, github, and bitbucket values. This field is set appropriately during account creation, including third-party OAuth flows. (src/models/admin.js, src/api-docs/schemas/admin.js) [1] [2] [3]
• Updated tests to verify correct assignment of the auth_provider field for email, GitHub, and Bitbucket signups. (tests/admin.test.js) [1] [2] [3]

Documentation Updates

• Added detailed instructions to the README.md for setting up GitHub and Bitbucket OAuth apps, including required environment variables. (README.md)
• Clarified component and switcher descriptions in the README.md to reflect API key usage and entry point semantics. (README.md) [1] [2]

Dependency Upgrades

• Upgraded key dependencies to latest versions for security and compatibility, including axios, pino, and others in package.json and npm-shrinkwrap.json. (package.json, npm-shrinkwrap.json) [1] [2] [3] [4] [5] [6] [7] [8] [9] [10]

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud