Fix exporting the KeyManager class

Author: mvantellingen

.changeset/soft-hairs-draw.md

@@ -0,0 +1,5 @@
+---
+"@labdigital/federated-token": patch
+---
+
+Fix exporting the KeyManager class

src/index.ts

@@ -2,11 +2,12 @@ export { FederatedGraphQLDataSource } from "./datasource";
 export { GatewayAuthPlugin } from "./gateway";
 export { PublicFederatedToken } from "./jwt";
 export { FederatedAuthPlugin } from "./plugin";
-export { TokenSigner } from "./sign";
+export { KeyManager, TokenSigner, type KeyManagerInterface } from "./sign";
 export { FederatedToken } from "./token";
 export {
 	CompositeTokenSource,
 	CookieTokenSource,
 	HeaderTokenSource,
-	type TokenSource,
+	type TokenSource
 } from "./tokensource";
+