refactor: distribute configurations by classes

Endpoint/Configuration/Swagger/SwaggerExampleFilter.cs

@@ -0,0 +1,16 @@
+using Microsoft.OpenApi.Models;
+using Mirea.Api.Endpoint.Common.Attributes;
+using Swashbuckle.AspNetCore.SwaggerGen;
+using System.Reflection;
+
+namespace Mirea.Api.Endpoint.Configuration.Swagger;
+
+public class SwaggerExampleFilter : ISchemaFilter
+{
+    public void Apply(OpenApiSchema schema, SchemaFilterContext context)
+    {
+        var att = context.ParameterInfo?.GetCustomAttribute<SwaggerDefaultAttribute>();
+        if (att != null)
+            schema.Example = new Microsoft.OpenApi.Any.OpenApiString(att.Value);
+    }
+}