feat: add morph Sepolia Testnet (#1931)

* Add morph sepolia testnet

* Update morphSepolia.ts

---------

Co-authored-by: jxom <jakemoxey@gmail.com>

.changeset/famous-trains-collect.md

@@ -0,0 +1,5 @@
+---
+"viem": patch
+---
+
+Added Morph Sepolia Testnet

src/chains/definitions/morphSepolia.ts

@@ -0,0 +1,20 @@
+import { defineChain } from '../../utils/chain/defineChain.js'
+
+export const morphSepolia = /*#__PURE__*/ defineChain({
+  id: 2710,
+  name: 'Morph Sepolia',
+  nativeCurrency: { name: 'Ether', symbol: 'ETH', decimals: 18 },
+  rpcUrls: {
+    default: {
+      http: ['https://rpc-testnet.morphl2.io'],
+    },
+  },
+  blockExplorers: {
+    default: {
+      name: 'Morph Testnet Explorer',
+      url: 'https://explorer-testnet.morphl2.io',
+      apiUrl: 'https://explorer-api-testnet.morphl2.io/api',
+    },
+  },
+  testnet: true,
+})

src/chains/index.ts

@@ -131,6 +131,7 @@ export { moonbaseAlpha } from './definitions/moonbaseAlpha.js'
 export { moonbeam } from './definitions/moonbeam.js'
 export { moonbeamDev } from './definitions/moonbeamDev.js'
 export { moonriver } from './definitions/moonriver.js'
+export { morphSepolia } from './definitions/morphSepolia.js'
 export { neonDevnet } from './definitions/neonDevnet.js'
 export { neonMainnet } from './definitions/neonMainnet.js'
 export { nexi } from './definitions/nexi.js'