Rebrand: Remove 3rd party chains, update domains to PezkuwiChain

- Remove all 3rd party parachain configurations from endpoints:
  - productionRelayPolkadot.ts: Keep only system parachains
  - productionRelayDicle.ts: Keep only system parachains
  - testingRelayZagros.ts: Keep only system parachains
  - testingRelayTeyrChain.ts: Keep only system parachains

- Update domain references:
  - polkadot.js.org → pezkuwichain.app
  - wiki.polkadot.network → wiki.pezkuwichain.io
  - dotapps.io → pezkuwichain.app
  - statement.polkadot.network → docs.pezkuwichain.io/statement
  - support.polkadot.network → docs.pezkuwichain.io

- Update repository references:
  - github.com/pezkuwi-js/apps → github.com/pezkuwichain/pwap

- Rename system parachains to Pezkuwi ecosystem:
  - PolkadotAssetHub → PezkuwiAssetHub
  - polkadotBridgeHub → pezkuwiBridgeHub
  - polkadotCollectives → pezkuwiCollectives
  - polkadotCoretime → pezkuwiCoretime
  - polkadotPeople → pezkuwiPeople

- Update network name in claims utility:
  - Polkadot → Pezkuwi

pezkuwi-sdk-ui/packages/page-settings/src/useChainInfo.ts

@@ -1,4 +1,4 @@
-// Copyright 2017-2025 @pezkuwi/app-settings authors & contributors
+// Copyright 2017-2026 @pezkuwi/app-settings authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
 import type { ChainInfo } from './types.js';
@@ -21,7 +21,7 @@ function useChainInfoImpl (): ChainInfo | null {
         chain: systemChain,
         chainType: isEthereum
           ? 'ethereum'
-          : 'substrate',
+          : 'bizinikiwi',
         color: apiEndpoint?.ui.color,
         genesisHash: api.genesisHash.toHex(),
         icon: getSystemIcon(systemName, specName),