Initial commit: Pezkuwi SDK UI

Comprehensive web interface for interacting with Pezkuwi blockchain.

Features:
- Blockchain explorer
- Wallet management
- Staking interface
- Governance participation
- Developer tools

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

packages/react-params/src/Extra/index.ts

@@ -0,0 +1,17 @@
+// Copyright 2017-2026 @pezkuwi/app-extrinsics authors & contributors
+// SPDX-License-Identifier: Apache-2.0
+
+import type { ComponentMap } from '../types.js';
+
+import Call from './Call.js';
+import OpaqueCall from './OpaqueCall.js';
+import Proposal from './Proposal.js';
+
+const components: ComponentMap = {
+  Call,
+  OpaqueCall,
+  Proposal,
+  RuntimeCall: Call
+};
+
+export default components;