feat: added etherlink and testnet

Author: devon-n

packages/hardhat-verify/src/internal/chain-config.ts

@@ -186,6 +186,22 @@ export const builtinChains: ChainConfig[] = [
       browserURL: "https://arbiscan.io/",
     },
   },
+  {
+    network: "etherlink",
+    chainId: 42793,
+    urls: {
+      apiURL: "https://explorer.etherlink.com/api/v2",
+      browserURL: "https://explorer.etherlink.com",
+    },
+  },
+  {
+    network: "etherlinkTestnet",
+    chainId: 128123,
+    urls: {
+      apiURL: "https://testnet-explorer.etherlink.com/api/v2",
+      browserURL: "https://testnet-explorer.etherlink.com",
+    },
+  },
   {
     network: "avalancheFujiTestnet",
     chainId: 43113,