feat: 将/support/documents路由的数据获取由Strapi转为Directus

- 修改/support/documents.vue，将相关数据获取迁移到Directus
- 增添相应的视图模型与映射方法

app/composables/directus/index.ts

@@ -5,3 +5,4 @@ export * from './useProduct';
 export * from './useSolutionList';
 export * from './useSolution';
 export * from './useQuestionList';
+export * from './useDocumentList';