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/apps/src/endpoint.ts

@@ -0,0 +1,44 @@
+// Copyright 2017-2025 @pezkuwi/apps authors & contributors
+// SPDX-License-Identifier: Apache-2.0
+
+import type { ApiPromise } from '@pezkuwi/api';
+
+import { isFunction, isObject } from '@pezkuwi/util';
+
+type ApiMapper = Record<string, Record<string, Record<string, unknown>>>;
+
+function hasEndpoint (api: ApiPromise, endpoint: string, needsApiInstances: boolean): boolean {
+  const [area, _section, method] = endpoint.split('.');
+  const [section] = (needsApiInstances && api.registry.getModuleInstances(api.runtimeVersion.specName.toString(), _section)) || [_section];
+  const resolvedSection = (api as unknown as ApiMapper)[area][section]
+    ? section
+    : _section;
+
+  try {
+    return area === 'consts'
+      ? isObject((api as unknown as ApiMapper)[area][resolvedSection][method])
+      : isFunction((api as unknown as ApiMapper)[area][resolvedSection][method]);
+  } catch {
+    return false;
+  }
+}
+
+export function findMissingApis (api: ApiPromise, needsApi?: (string | string[])[], needsApiInstances = false, needsApiCheck?: (api: ApiPromise) => boolean): (string | string[])[] {
+  if (!needsApi) {
+    return [];
+  }
+
+  const missing = needsApi.filter((endpoint: string | string[]): boolean => {
+    const hasApi = Array.isArray(endpoint)
+      ? endpoint.reduce((hasApi, endpoint) => hasApi || hasEndpoint(api, endpoint, needsApiInstances), false)
+      : hasEndpoint(api, endpoint, needsApiInstances);
+
+    return !hasApi;
+  });
+
+  if (!missing.length && needsApiCheck && !needsApiCheck(api)) {
+    return ['needsApiCheck'];
+  }
+
+  return missing;
+}