Added authentication

DoxaApi/Models/ApiEndpoint.cs

@@ -2,6 +2,9 @@
 
 namespace EonaCat.DoxaApi.Models
 {
+    // This file is part of the EonaCat project(s) which is released under the Apache License.
+    // See the LICENSE file or go to https://EonaCat.com/license for full license details.
+
     public sealed class ApiEndpoint
     {
         [JsonPropertyName("operationId")]
@@ -33,5 +36,12 @@ namespace EonaCat.DoxaApi.Models
 
         [JsonPropertyName("responses")]
         public List<ResponseModel> Responses { get; set; } = new();
+
+        /// <summary>
+        /// Ids of security schemes that apply to this endpoint (referencing ApiDocument.SecuritySchemes).
+        /// Empty means the endpoint is unauthenticated (or uses the document-wide default, if any).
+        /// </summary>
+        [JsonPropertyName("security")]
+        public List<string> Security { get; set; } = new();
     }
-}
+}