Initial rebrand: @polkadot -> @pezkuwi (3 packages)

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

Packages:
- @pezkuwi/dev (build tools, linting, CI scripts)
- @pezkuwi/dev-test (test runner)
- @pezkuwi/dev-ts (TypeScript build)

Upstream: polkadot-js/dev v0.83.3

packages/dev/src/rootJs/JsxChild.tsx

@@ -0,0 +1,20 @@
+// Copyright 2017-2025 @polkadot/dev authors & contributors
+// SPDX-License-Identifier: Apache-2.0
+
+import React from 'react';
+
+export interface Props {
+  children?: React.ReactNode;
+  className?: string;
+  label?: string;
+}
+
+function Child ({ children, className, label }: Props): React.ReactElement<Props> {
+  return (
+    <div className={className}>
+      {label || ''}{children}
+    </div>
+  );
+}
+
+export default React.memo(Child);