Add Pezkuwi SDK UI - Polkadot.js Apps clone

- Clone Polkadot.js Apps repository
- Update package.json with Pezkuwi branding
- Add Pezkuwi endpoint to production chains (wss://pezkuwichain.app:9944)
- Create comprehensive README for SDK UI
- Set up project structure with all packages

Next steps:
- Apply Kurdistan colors (Kesk, Sor, Zer, Spi + Black) to UI theme
- Replace logos with Pezkuwi branding
- Test build and deployment

pezkuwi-sdk-ui/packages/react-components/src/util/isTreasuryProposalVote.ts

@@ -0,0 +1,16 @@
+// Copyright 2017-2025 @polkadot/react-components authors & contributors
+// SPDX-License-Identifier: Apache-2.0
+
+import type { Proposal } from '@polkadot/types/interfaces';
+
+export function isTreasuryProposalVote (proposal?: Proposal | null): boolean {
+  if (!proposal) {
+    return false;
+  }
+
+  const { method, section } = proposal.registry.findMetaCall(proposal.callIndex);
+
+  return section === 'treasury' &&
+    ['approveProposal', 'rejectProposal'].includes(method) &&
+    !!proposal.args[0];
+}