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-referenda/src/Referenda/Submit/TrackDropdown.tsx

@@ -0,0 +1,47 @@
+// Copyright 2017-2025 @pezkuwi/app-referenda authors & contributors
+// SPDX-License-Identifier: Apache-2.0
+
+import type { BN } from '@pezkuwi/util';
+import type { PalletReferenda, TrackDescription } from '../../types.js';
+
+import React from 'react';
+
+import { Dropdown, styled } from '@pezkuwi/react-components';
+
+import { useTranslation } from '../../translate.js';
+import useTrackOptions from './useTrackOptions.js';
+
+interface Props {
+  className?: string;
+  exclude?: (BN | number)[];
+  include?: (BN | number)[];
+  onChange: (trackId: number) => void;
+  palletReferenda: PalletReferenda;
+  tracks: TrackDescription[];
+}
+
+function TrackDropdown ({ className, exclude, include, onChange, palletReferenda, tracks }: Props): React.ReactElement<Props> | null {
+  const { t } = useTranslation();
+  const trackOpts = useTrackOptions(palletReferenda, tracks, include, exclude);
+
+  return (
+    <Dropdown
+      className={className}
+      defaultValue={trackOpts[0].value}
+      label={t('submission track')}
+      onChange={onChange}
+      options={trackOpts}
+    />
+  );
+}
+
+export default React.memo(styled(TrackDropdown)`
+  .trackOption {
+    .faded {
+      font-size: var(--font-size-small);
+      font-weight: var(--font-weight-normal);
+      margin-top: 0.125rem;
+      opacity: 0.6;
+    }
+  }
+`);