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/react-components/src/Spinner.tsx

@@ -0,0 +1,69 @@
+// Copyright 2017-2025 @pezkuwi/react-components authors & contributors
+// SPDX-License-Identifier: Apache-2.0
+
+import React from 'react';
+
+import spinnerSrc from './Spinner.png.js';
+import { styled } from './styled.js';
+import { useTranslation } from './translate.js';
+
+interface Props {
+  className?: string;
+  label?: React.ReactNode;
+  noLabel?: boolean;
+  variant?: 'app' | 'appPadded' | 'cover' | 'push' | 'mini';
+}
+
+function Spinner ({ className = '', label, noLabel, variant = 'app' }: Props): React.ReactElement<Props> | null {
+  const { t } = useTranslation();
+
+  return (
+    <StyledSpinner className={`${className} ui--Spinner variant-${variant}`}>
+      <img
+        className={variant === 'push' ? '' : 'highlight--bg highlight--border'}
+        src={spinnerSrc}
+      />
+      {!noLabel && variant.startsWith('app') && <div className='text'>{label || t('Retrieving data')}</div>}
+    </StyledSpinner>
+  );
+}
+
+const StyledSpinner = styled.div`
+  display: block;
+  line-height: 1rem;
+  margin: 0 auto;
+  text-align: center;
+
+  &.variant-appPadded {
+    margin-top: 0.5rem;
+  }
+
+  img {
+    border: 1px solid transparent;
+    border-radius: 10rem;
+  }
+
+  &.variant-cover {
+    bottom: 0;
+    left: 0;
+    position: absolute;
+    right: 0;
+
+    img {
+      border: 1 px solid white;
+      margin: 0 auto;
+    }
+  }
+
+  .text {
+    color: inherit !important;
+    margin: 0.25rem auto 1.5rem auto;
+    opacity: var(--opacity-light);
+
+    div+div {
+      margin-top: 0.25rem;
+    }
+  }
+`;
+
+export default React.memo(Spinner);