feat: initial Pezkuwi Apps rebrand from polkadot-apps

Rebranded terminology:
- Polkadot → Pezkuwi
- Kusama → Dicle
- Westend → Zagros
- Rococo → PezkuwiChain
- Substrate → Bizinikiwi
- parachain → teyrchain

Custom logos with Kurdistan brand colors (#e6007a → #86e62a):
- bizinikiwi-hexagon.svg
- sora-bizinikiwi.svg
- hezscanner.svg
- heztreasury.svg
- pezkuwiscan.svg
- pezkuwistats.svg
- pezkuwiassembly.svg
- pezkuwiholic.svg

packages/page-settings/src/useRawMetadata.ts

@@ -0,0 +1,31 @@
+// Copyright 2017-2025 @pezkuwi/app-settings authors & contributors
+// SPDX-License-Identifier: Apache-2.0
+
+// import type { RawMetadataDef } from '@pezkuwi/extension-inject/types';
+import type { HexString } from '@pezkuwi/util/types';
+
+import { useEffect, useState } from 'react';
+
+import { createNamedHook, useApi } from '@pezkuwi/react-hooks';
+
+function useRawMetadataImpl (): HexString | null {
+  const { api, isApiReady } = useApi();
+  const [state, setState] = useState<HexString | null>(null);
+
+  useEffect(
+    (): void => {
+      isApiReady &&
+        api.call.metadata.metadataAtVersion &&
+          api.call.metadata.metadataAtVersion(15).then((opaque) => {
+            const raw = opaque.toHex();
+
+            setState(raw);
+          }).catch(console.error);
+    },
+    [api, isApiReady]
+  );
+
+  return state;
+}
+
+export default createNamedHook('useRawMetadata', useRawMetadataImpl);