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/apps-config/src/extensions/index.ts

@@ -0,0 +1,24 @@
+// Copyright 2017-2026 @pezkuwi/apps-config authors & contributors
+// SPDX-License-Identifier: Apache-2.0
+
+import type { Browser, Extension, Known } from './types.js';
+
+import { PezkuwiJs } from './pezkuwi-js.js';
+
+// The list of known extensions including the links to tem on the store. This is
+// used when no extensions are actually available, promoting the user to install
+// one or more (Any known extension can and should be added here)
+
+export const knownExtensions: Record<string, Known> = {
+  'pezkuwi-js': PezkuwiJs
+};
+
+export const availableExtensions = Object
+  .values(knownExtensions)
+  .reduce((available: Record<Browser, Extension[]>, { all, desc, name }) => {
+    Object.entries(all).forEach(([browser, link]): void => {
+      available[browser as Browser].push({ desc, link, name });
+    });
+
+    return available;
+  }, { chrome: [], firefox: [] });

packages/apps-config/src/extensions/pezkuwi-js.ts

@@ -0,0 +1,21 @@
+// Copyright 2017-2026 @pezkuwi/apps-config authors & contributors
+// SPDX-License-Identifier: Apache-2.0
+
+import type { Known } from './types.js';
+
+import { extensionsPolkadotJsSVG } from '../ui/logos/extensions/index.js';
+import { externalEmptySVG } from '../ui/logos/external/index.js';
+
+export const PezkuwiJs: Known = {
+  all: {
+    chrome: 'https://chrome.google.com/webstore/detail/polkadot%7Bjs%7D-extension/mopnmbcafieddcagagdcbnhejhlodfdd',
+    firefox: 'https://addons.mozilla.org/en-US/firefox/addon/pezkuwi-js-extension/'
+  },
+  desc: 'Basic account injection and signer',
+  name: 'pezkuwi-js extension',
+  ui: {
+    // Don't copy this line as-is :) The '|| empty' here is just there for a build
+    // check, aka it actually has no effect (the first part is always defined)
+    logo: extensionsPolkadotJsSVG || externalEmptySVG
+  }
+};

packages/apps-config/src/extensions/types.ts

@@ -0,0 +1,17 @@
+// Copyright 2017-2026 @pezkuwi/apps-config authors & contributors
+// SPDX-License-Identifier: Apache-2.0
+
+export type Browser = 'chrome' | 'firefox';
+
+export interface Extension {
+  desc: string;
+  link: string;
+  name: string;
+}
+
+export interface Known {
+  all: Record<Browser, string>;
+  desc: string;
+  name: string;
+  ui: { logo: string; }
+}