add arena-z mainnet (eip155-7897)

_data/chains/eip155-7897.json

@@ -0,0 +1,34 @@
+{
+  "name": "arena-z",
+  "title": "arena-z",
+  "chain": "arena-z",
+  "rpc": ["https://rpc.arena-z.gg", "wss://ws.arena-z.gg"],
+  "nativeCurrency": {
+    "name": "Ether",
+    "symbol": "ETH",
+    "decimals": 18
+  },
+  "infoURL": "https://raas.gelato.network/rollups/details/public/arena-z",
+  "faucets": [],
+  "shortName": "arena-z",
+  "chainId": 7897,
+  "networkId": 7897,
+  "slip44": 60,
+  "icon": "arena-z-mainnet",
+  "explorers": [
+    {
+      "name": "blockscout",
+      "url": "https://explorer.arena-z.gg",
+      "standard": "EIP3091"
+    }
+  ],
+  "parent": {
+    "type": "L2",
+    "chain": "eip155-1",
+    "bridges": [
+      {
+        "url": "https://bridge.gelato.network/bridge/arena-z"
+      }
+    ]
+  }
+}

_data/icons/arena-z-mainnet.json

@@ -0,0 +1,8 @@
+[
+  {
+    "url": "ipfs://QmPRGaSPsmbDwRgQUCJSfkEErrfXxHbpUhQSvvDTLgJ25R",
+    "width": 500,
+    "height": 500,
+    "format": "png"
+  }
+]