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-config/src/api/spec/interbtc.ts

@@ -0,0 +1,80 @@
+// Copyright 2017-2025 @pezkuwi/apps-config authors & contributors
+// SPDX-License-Identifier: Apache-2.0
+
+/* eslint-disable @typescript-eslint/no-unsafe-argument, @typescript-eslint/no-unsafe-member-access, @typescript-eslint/no-unsafe-assignment */
+
+import type { Observable } from 'rxjs';
+import type { ApiInterfaceRx } from '@pezkuwi/api/types';
+import type { DeriveBalancesAll } from '@pezkuwi/api-derive/types';
+import type { Balance } from '@pezkuwi/types/interfaces';
+import type { FrameSystemAccountInfo } from '@pezkuwi/types/lookup';
+import type { OverrideBundleDefinition } from '@pezkuwi/types/types';
+
+import interbtc from '@interlay/interbtc-types';
+import { combineLatest, map } from 'rxjs';
+
+import { memo } from '@pezkuwi/api-derive/util';
+import { TypeRegistry, U128 } from '@pezkuwi/types';
+import { BN, formatBalance } from '@pezkuwi/util';
+
+function balanceOf (number: number | string): U128 {
+  return new U128(new TypeRegistry(), number);
+}
+
+function defaultAccountBalance (): DeriveBalancesAll {
+  // eslint-disable-next-line @typescript-eslint/no-unsafe-return
+  return {
+    accountNonce: new BN(1),
+    additional: [],
+    availableBalance: balanceOf(0),
+    freeBalance: balanceOf(0),
+    lockedBalance: balanceOf(0),
+    lockedBreakdown: [],
+    namedReserves: [],
+    reservedBalance: balanceOf(0)
+  } as any;
+}
+
+interface OrmlAccountData {
+  free: Balance,
+  reserved: Balance,
+  frozen: Balance,
+}
+
+export function getBalance (
+  instanceId: string,
+  api: ApiInterfaceRx
+): () => Observable<DeriveBalancesAll> {
+  const nativeToken = api.registry.chainTokens[0] || formatBalance.getDefaults().unit;
+
+  return memo(
+    instanceId,
+    (account: string): Observable<DeriveBalancesAll> =>
+      combineLatest<[any, any]>([api.query.tokens.accounts(account, { Token: nativeToken }), api.query.system.account(account)]).pipe(
+        map(([data, systemAccount]: [OrmlAccountData, FrameSystemAccountInfo]): DeriveBalancesAll => {
+          return {
+            ...defaultAccountBalance(),
+            accountId: api.registry.createType('AccountId', account),
+            accountNonce: systemAccount.nonce,
+            availableBalance: api.registry.createType('Balance', data.free.sub(data.frozen)),
+            freeBalance: data.free,
+            lockedBalance: data.frozen,
+            reservedBalance: data.reserved
+          };
+        })
+      )
+  );
+}
+
+const definitions: OverrideBundleDefinition = {
+  derives: {
+    balances: {
+      account: getBalance,
+      all: getBalance
+    }
+  },
+
+  ...interbtc
+} as any;
+
+export default definitions;