Initial rebrand: @polkadot -> @pezkuwi (14 packages)

- Package namespace: @polkadot/* -> @pezkuwi/*
- Repository: polkadot-js/common -> pezkuwichain/pezkuwi-common
- Author: Pezkuwi Team <team@pezkuwichain.io>

Core packages:
- @pezkuwi/util (utilities)
- @pezkuwi/util-crypto (crypto primitives)
- @pezkuwi/keyring (account management)
- @pezkuwi/networks (chain metadata)
- @pezkuwi/hw-ledger (Ledger hardware wallet)
- @pezkuwi/x-* (10 polyfill packages)

Total: 14 packages
Upstream: polkadot-js/common v14.0.1

packages/hw-ledger/src/defaults.spec.ts

@@ -0,0 +1,20 @@
+// Copyright 2017-2025 @polkadot/hw-ledger authors & contributors
+// SPDX-License-Identifier: Apache-2.0
+
+/// <reference types="@polkadot/dev-test/globals.d.ts" />
+
+import { supportedApps } from '@zondax/ledger-substrate';
+
+import { prevLedgerRecord } from './defaults.js';
+
+describe('ledgerApps', (): void => {
+  for (const k of Object.keys(prevLedgerRecord)) {
+    it(`${k} is available in @zondax/ledger-substrate`, (): void => {
+      expect(
+        supportedApps.find(({ name }) =>
+          name === prevLedgerRecord[k]
+        )
+      ).toBeDefined();
+    });
+  }
+});