perf: 为enum类型追加注释说明字段 (#409)

* 为enum类型追加注释说明字段

* feat: add changeset

Author: asins

.changeset/nasty-bananas-melt.md

@@ -0,0 +1,5 @@
+---
+'openapi-ts-request': patch
+---
+
+为enum类型时对外追加description字段

src/generator/serviceGenarator.ts

@@ -604,6 +604,7 @@ export default class ServiceGenerator {
             ? camelCase(`display-${typeName}-Enum`)
             : '',
           enumLabelType: isEnum ? (result.enumLabelType as string) : '',
+          description: result.description,
         });
       }