feat: enabled ancient8 mainnet (ethereum-lists#4213)

* feat: enabled ancient8 mainnet

* chore: updated short name

* :chore: updated ancient8 logo using 4everlands ipfs gateway

* chore: specify mainnet

* fix: fix image witdh and height

---------

Co-authored-by: ligi <ligi@ligi.de>

_data/chains/eip155-888888888.json

@@ -0,0 +1,23 @@
+{
+  "name": "Ancient8",
+  "chain": "Ancient8",
+  "icon": "ancient8",
+  "rpc": ["https://rpc.ancient8.gg"],
+  "faucets": [],
+  "nativeCurrency": {
+    "name": "Ether",
+    "symbol": "ETH",
+    "decimals": 18
+  },
+  "infoURL": "https://ancient8.gg/",
+  "shortName": "ancient8",
+  "chainId": 888888888,
+  "networkId": 888888888,
+  "explorers": [
+    {
+      "name": "Ancient8 Explorer",
+      "url": "https://scan.ancient8.gg",
+      "standard": "EIP3091"
+    }
+  ]
+}

_data/icons/ancient8.json

@@ -1,8 +1,8 @@
 [
   {
-    "url": "ipfs://QmXLmYMqZ2ZKyaaEjayNjLai4RUo2YmorUDwkk95xmdTUr",
-    "width": 80,
-    "height": 80,
+    "url": "ipfs://bafkreievnqg3xjokaty4kfbxxbrzm5v5y7exbaaia2txrh4sfgrqsalfym",
+    "width": 128,
+    "height": 128,
     "format": "png"
   }
 ]