Add structure for oauth-token-response

Also added conversion documentation.

Author: MasterJ93

Conversion Documentation/oauth-types/oauth-types oauth-token-response conversion.md

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+# Conversion for `oauth-types/src/oauth-token-response.ts`
+
+## `export const oauthTokenResponseSchema`
+
+This has been converted.

Sources/OAuthTypes/OAuthTokenResponse.swift

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+//
+//  OAuthTokenResponse.swift
+//  ATOAuthKit
+//
+//  Created by Christopher Jr Riley on 2025-08-04.
+//
+
+import Foundation
+
+/// A structure representing a token response.
+public struct TokenResponse: Codable {
+
+    /// The access token of the response.
+    public let accessToken: String
+
+    /// The response's token type.
+    public let tokenType: OAuthTokenType
+
+    /// The scope of the token response. Optional.
+    public let scope: String?
+
+    /// The refresh token of the response. Optional.
+    public let refreshToken: String?
+
+    /// The date and time the response expires. Optional.
+    public let expiresIn: Date?
+
+    /// The signed JSON Web Token (JWT). Optional.
+    public let idToken: SignedJWT?
+
+    /// Additional authorization details associated with the token response. Optional.
+    public let authorizationDetails: AuthorizationDetail?
+
+    enum CodingKeys: String, CodingKey {
+        case accessToken = "access_token"
+        case tokenType = "token_type"
+        case scope
+        case refreshToken = "refresh_token"
+        case expiresIn = "expires_in"
+        case idToken = "id_token"
+        case authorizationDetails = "authorization_details"
+    }
+}