Exporting foreign key json type

gui/rpk-gui/src/lib/crud/components/widgets/foreign-key.tsx

@@ -8,14 +8,14 @@ import { useList, useOne } from "@refinedev/core";
 import { ResourceContext } from "../../contexts/ResourceContext";
 import { CrudForm } from "../crud-form";
 
-type ForeignKeyReference = {
+export type ForeignKeyReference = {
   resource: string,
-  label: string,
-  displayedFields: [string],
+  label?: string,
+  displayedFields?: [string],
   schema: string
 }
 
-type ForeignKeySchema = RJSFSchema & {
+export type ForeignKeySchema = RJSFSchema & {
   foreignKey?: {
     reference: ForeignKeyReference
   }