Export manually maintained types for OAuthToken and OAuth param classes

[prathmesh-stripe]

Why

The OAuth-related types (OAuthToken, OAuthTokenParams, OAuthAuthorizeUrlParams, OAuthAuthorizeUrlOptions, OAuthDeauthorization, OAuthDeauthorizeParams) were defined as module-private interfaces in OAuth.ts and not re-exported from the Stripe namespace. This meant users who wanted to type-annotate variables or function parameters with these types had no way to reference them — they had to inline the shapes or use any.

What

• Export all OAuth interfaces and the OAuthAuthorizeUrlParams namespace from src/resources/OAuth.ts
• Re-export them from the Stripe namespace in stripe.core.ts and stripe.esm.node.ts
• Add type-compilation tests in testProjects/types/typescriptTest.ts to verify the exports are usable

See Also

Changelog

// ❌ Before (v22.0.0-v22.1.1)
const oAuthToken: Stripe.OAuthToken = {};

// ✅ After (works on v22.1.2+)
const oAuthToken: Stripe.OAuthToken = {};

[xavdid]

nice! great tests & example