Add missing OIDC provider options

Author: javiercn

src/Components/WebAssembly/WebAssembly.Authentication/src/Options/OidcProviderOptions.cs

@@ -40,5 +40,17 @@ public class OidcProviderOptions
         /// </summary>
         [JsonPropertyName("post_logout_redirect_uri")]
         public string PostLogoutRedirectUri { get; set; }
+
+        /// <summary>
+        /// Gets or sets the response type to use on the authorization flow. The valid values are specified by the identity provider metadata.
+        /// </summary>
+        [JsonPropertyName("response_type")]
+        public string ResponseType { get; set; }
+
+        /// <summary>
+        /// Gets or sets the response mode to use in the authorization flow.
+        /// </summary>
+        [JsonPropertyName("response_mode")]
+        public string ResponseMode { get; set; }
     }
 }