Add T-Rex Testnet 1962 (ethereum-lists#7450)

Co-authored-by: allen.qin <[email protected]>

Author: qinpeng2

_data/chains/eip155-1962.json

@@ -0,0 +1,23 @@
+{
+  "name": "T-Rex Testnet",
+  "chain": "T-Rex",
+  "rpc": ["https://testnetrpc.trex.xyz"],
+  "faucets": [],
+  "nativeCurrency": {
+    "name": "Ether",
+    "symbol": "ETH",
+    "decimals": 18
+  },
+  "infoURL": "https://trex.xyz/",
+  "shortName": "TREX",
+  "chainId": 1962,
+  "networkId": 1962,
+  "icon": "trex",
+  "explorers": [
+    {
+      "name": "T-Rex Testnet explorer",
+      "url": "https://testnet.trex.xyz",
+      "standard": "none"
+    }
+  ]
+}

_data/icons/trex.json

@@ -0,0 +1,8 @@
+[
+  {
+    "url": "ipfs://bafkreienf63hqo2stiq2wqiprvhowrv3cvhjeko2u3h5vcvjby5ix6ud7a",
+    "width": 240,
+    "height": 240,
+    "format": "png"
+  }
+]