Add BirdLayer chain (#6749)

Author: yongjun925

_data/chains/eip155-53456.json

@@ -0,0 +1,29 @@
+{
+  "name": "BirdLayer",
+  "title": "BirdLayer",
+  "chain": "BirdLayer",
+  "icon": "birdlayer",
+  "rpc": [
+    "https://rpc.birdlayer.xyz",
+    "https://rpc1.birdlayer.xyz",
+    "wss://rpc.birdlayer.xyz/ws"
+  ],
+  "faucets": [],
+  "nativeCurrency": {
+    "name": "Ether",
+    "symbol": "ETH",
+    "decimals": 18
+  },
+  "infoURL": "https://www.dodochain.com",
+  "shortName": "birdlayer",
+  "chainId": 53456,
+  "networkId": 53456,
+  "explorers": [
+    {
+      "name": "BirdLayer Explorer",
+      "url": "https://scan.birdlayer.xyz",
+      "icon": "birdlayer",
+      "standard": "EIP3091"
+    }
+  ]
+}

_data/icons/birdlayer.json

@@ -0,0 +1,8 @@
+[
+  {
+    "url": "ipfs://QmQDdZQjpKhrVM62479RTzppUG8QHhHd8Bq4RFYAjN1yf4",
+    "width": 160,
+    "height": 160,
+    "format": "png"
+  }
+]