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-hooks/src/useStepper.ts

@@ -0,0 +1,29 @@
+// Copyright 2017-2025 @pezkuwi/react-hooks authors & contributors
+// SPDX-License-Identifier: Apache-2.0
+
+import { useCallback, useMemo, useState } from 'react';
+
+import { createNamedHook } from './createNamedHook.js';
+
+type Result = [number, () => void, () => void, (step: number) => void];
+
+function useStepperImpl (): Result {
+  const [step, setStep] = useState(1);
+
+  const nextStep = useCallback(
+    () => setStep((step) => step + 1),
+    []
+  );
+
+  const prevStep = useCallback(
+    () => setStep((step) => step - 1),
+    []
+  );
+
+  return useMemo(
+    () => [step, nextStep, prevStep, setStep],
+    [step, nextStep, prevStep, setStep]
+  );
+}
+
+export const useStepper = createNamedHook('useStepper', useStepperImpl);