Adding Curve mainnet to the ethereum chain list (#2829)

* Add Curve bin icon

IPFS hash as a filename

* Add Curve Icon Json file

* Add Curve chain eip155 json file

curve mainnet

* Delete curve icon bin file

QmTjV3TTR5aLb7fi7tjx8gcDvYtqBpusqhCSaznVxJ7NJg.png

* Add Curve bin file with correct hash

removed .png from the filename and keep only IPFS hash as a filename

* Update eip155-827431.json

added faucet field

* Update eip155-827431.json

fix info URL

_data/chains/eip155-827431.json

@@ -0,0 +1,23 @@
+{
+  "name": "CURVE Mainnet",
+  "chain": "CURVE",
+  "icon": "curveIcon",
+  "rpc": ["https://mainnet-rpc.curvescan.io"],
+  "faucets": [],
+  "nativeCurrency": {
+    "name": "Curve",
+    "symbol": "CURVE",
+    "decimals": 18
+  },
+  "infoURL": "https://curvescan.io",
+  "shortName": "CURVEm",
+  "chainId": 827431,
+  "networkId": 827431,
+  "explorers": [
+    {
+      "name": "CURVE Mainnet",
+      "url": "https://curvescan.io",
+      "standard": "EIP3091"
+    }
+  ]
+}

_data/icons/curveIcon.json

@@ -0,0 +1,8 @@
+[
+  {
+    "url": "ipfs://QmTjV3TTR5aLb7fi7tjx8gcDvYtqBpusqhCSaznVxJ7NJg",
+    "width": 150,
+    "height": 150,
+    "format": "png"
+  }
+]