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-api/src/util/index.ts

@@ -0,0 +1,8 @@
+// Copyright 2017-2025 @pezkuwi/react-api authors & contributors
+// SPDX-License-Identifier: Apache-2.0
+
+export { getEnvironment } from './getEnvironment.js';
+export { getHistoric } from './historic.js';
+export { intervalObservable } from './intervalObservable.js';
+export { isEqual } from './isEqual.js';
+export { triggerChange } from './triggerChange.js';