added Meld mainnet and updated icon (#2701)

* added kanazawa chain details

* add meld mainnet and update icon

* fixed formatting

---------

Co-authored-by: Andrew Markham-Davies <atmd@andrews-mbp.home>
Co-authored-by: Andrew Markham-Davies <atmd@Andrews-MacBook-Pro.local>

_data/chains/eip155-222000222.json

@@ -1,7 +1,7 @@
 {
   "name": "Kanazawa",
   "title": "Meld Testnet Kanazawa",
-  "chain": "MELD",
+  "chain": "Kanazawa",
   "rpc": [
     "https://rpc-kanazawa.meldlabs.dev/ext/bc/2Ci7VYrUd4fTBqGA5D2HA6UPHzQ4LQyr8rZQww9MGSv9rNkRzn/rpc"
   ],
@@ -12,8 +12,9 @@
     "symbol": "gMELD",
     "decimals": 18
   },
+  "icon": "meld",
   "infoURL": "https://meld.com",
-  "shortName": "meld",
+  "shortName": "kanazawa",
   "chainId": 222000222,
   "networkId": 222000222,
   "explorers": []

_data/chains/eip155-333000333.json

@@ -0,0 +1,19 @@
+{
+  "name": "Meld",
+  "title": "Meld Mainnet",
+  "chain": "MELD",
+  "rpc": ["https://network-rpc.meld.com"],
+  "faucets": [],
+  "features": [],
+  "nativeCurrency": {
+    "name": "gMeld",
+    "symbol": "gMELD",
+    "decimals": 18
+  },
+  "icon": "meld",
+  "infoURL": "https://meld.com",
+  "shortName": "meld",
+  "chainId": 333000333,
+  "networkId": 333000333,
+  "explorers": []
+}

_data/icons/meld.json

@@ -0,0 +1,8 @@
+[
+  {
+    "url": "ipfs://QmRhB4AbjDrhvwfSAQi2JvKirFiDWxzJvKEvG8S8AdDdED",
+    "width": 4000,
+    "height": 4000,
+    "format": "png"
+  }
+]