feat: introduce zksync bridges utility functions

src/chains/definitions/zkLocalChainL1.ts

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+import { defineChain } from '../../utils/chain/defineChain.js'
+
+export const zkLocalChainL1 = /*#__PURE__*/ defineChain({
+  id: 9,
+  name: 'zkSync CLI Local Hyperchain L1',
+  network: 'zksync-cli-local-hyperchain-l1',
+  nativeCurrency: { name: 'Ether', symbol: 'ETH', decimals: 18 },
+  rpcUrls: {
+    default: {
+      http: ['http://localhost:15045'],
+    },
+  },
+  testnet: true,
+})

src/chains/definitions/zkLocalChainL2.ts

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+import { defineChain } from '../../utils/chain/defineChain.js'
+import { chainConfig } from '../../zksync/chainConfig.js'
+
+export const zkLocalChainL2 = /*#__PURE__*/ defineChain({
+  ...chainConfig,
+  id: 270,
+  name: 'zkSync CLI Local Hyperchain',
+  network: 'zksync-cli-local-hyperchain',
+  nativeCurrency: { name: 'Ether', symbol: 'ETH', decimals: 18 },
+  rpcUrls: {
+    default: {
+      http: ['http://localhost:15100'],
+    },
+  },
+  testnet: true,
+})

src/chains/definitions/zkLocalChainL3.ts

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+import { defineChain } from '../../utils/chain/defineChain.js'
+import { chainConfig } from '../../zksync/chainConfig.js'
+
+export const zkLocalChainL3 = /*#__PURE__*/ defineChain({
+  ...chainConfig,
+  id: 272,
+  name: 'zkSync CLI Local Hyperchain',
+  network: 'zksync-cli-local-hyperchain',
+  nativeCurrency: { name: 'Ether', symbol: 'ETH', decimals: 18 },
+  rpcUrls: {
+    default: {
+      http: ['http://localhost:15200'],
+    },
+  },
+  testnet: true,
+})

src/chains/definitions/zkSyncLocalNodeL1.ts

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+import { defineChain } from '../utils.js'
+
+export const zkSyncLocalNodeL1 = /*#__PURE__*/ defineChain({
+  id: 9,
+  name: 'zkSync CLI Local Node L1',
+  network: 'zksync-cli-local-node',
+  nativeCurrency: { name: 'Ether', symbol: 'ETH', decimals: 18 },
+  rpcUrls: {
+    default: {
+      http: ['http://localhost:8545'],
+    },
+  },
+  testnet: true,
+})