Update domain references to pezkuwichain.app and rebrand from polkadot

packages/extension-ui/src/MetadataCache.ts

@@ -0,0 +1,14 @@
+// Copyright 2019-2025 @pezkuwi/extension-ui authors & contributors
+// SPDX-License-Identifier: Apache-2.0
+
+import type { MetadataDef } from '@pezkuwi/extension-inject/types';
+
+const metadataGets = new Map<string, Promise<MetadataDef | null>>();
+
+export function getSavedMeta (genesisHash: string): Promise<MetadataDef | null> | undefined {
+  return metadataGets.get(genesisHash);
+}
+
+export function setSavedMeta (genesisHash: string, def: Promise<MetadataDef | null>): Map<string, Promise<MetadataDef | null>> {
+  return metadataGets.set(genesisHash, def);
+}