Make product API versions independently installable

backend/product/auth/http/v1/response/file.go

@@ -0,0 +1,16 @@
+package sresponse
+
+import (
+	"net/http"
+
+	"git.sendico.io/tech/sxchnge/shared/http/response"
+	"git.sendico.io/tech/sxchnge/shared/logging"
+)
+
+type fileUploaded struct {
+	URL string `json:"url"`
+}
+
+func FileUploaded(logger mlogger.Logger, url string) http.HandlerFunc {
+	return response.Ok(logger, &fileUploaded{URL: url})
+}