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/test-support/src/keyring/MemoryStore.ts

@@ -0,0 +1,34 @@
+// Copyright 2017-2025 @pezkuwi/test-support authors & contributors
+// SPDX-License-Identifier: Apache-2.0
+
+import type { KeyringJson, KeyringStore } from '@pezkuwi/ui-keyring/types';
+
+type AccountsMap = Record<string, KeyringJson>;
+
+export class MemoryStore implements KeyringStore {
+  private accounts: AccountsMap = {};
+
+  all (cb: (key: string, value: KeyringJson) => void): void {
+    Object.keys(this.accounts).forEach((accountsKey) => cb(accountsKey, this.accounts[accountsKey]));
+  }
+
+  get (key: string, cb: (value: KeyringJson) => void): void {
+    cb(this.accounts[key]);
+  }
+
+  remove (key: string, cb: (() => void) | undefined): void {
+    delete this.accounts[key];
+
+    if (cb) {
+      cb();
+    }
+  }
+
+  set (key: string, value: KeyringJson, cb: (() => void) | undefined): void {
+    this.accounts[key] = value;
+
+    if (cb) {
+      cb();
+    }
+  }
+}