feat: add download functionality for example operator and update Dock… (#188)

* feat: add download functionality for example operator and update Dockerfile

* feat: enhance download response by exposing content disposition header

* feat: update download function to accept filename parameter for example operator

frontend/src/pages/OperatorMarket/operator.api.ts

@@ -48,6 +48,11 @@ export function uploadOperatorChunkUsingPost(_, data: FormData, config?: any) {
     ...config,
   });
 }
+
+export function downloadExampleOperatorUsingGet(fileName: string) {
+  return download("/api/operators/examples/download", null, fileName);
+}
+
 // 发布算子
 export function publishOperatorUsingPost(operatorId: string | number) {
   return post(`/api/operators/${operatorId}/publish`);