Add Monad ERC20 token list and update index.json to include chainId 143 (#106)

* Add Monad ERC20 token list and update index.json to include chainId 143

* Add monad native token

Author: miguelmota

index/index.json

@@ -195,6 +195,12 @@
         "misc.json": "f98a5ccf5fa208e0861c020ad16b44adfafff42d8f359fa94e6701a7397b1e92"
       }
     },
+    "monad": {
+      "chainId": 143,
+      "tokenLists": {
+        "erc20.json": "9f7263844939b29720364288b40f20411e06cce81937ec104475041dcf547d4f"
+      }
+    },
     "mumbai": {
       "deprecated": true,
       "chainId": 80001,

index/monad/erc20.json

@@ -0,0 +1,58 @@
+{
+  "name": "sequence-erc20-monad",
+  "chainId": 143,
+  "tokenStandard": "erc20",
+  "keywords": [
+    "erc20",
+    "fungible",
+    "stablecoin",
+    "coingecko"
+  ],
+  "timestamp": "2025-11-20T00:00:00.000Z",
+  "tokens": [
+    {
+      "chainId": 143,
+      "address": "0x0000000000000000000000000000000000000000",
+      "name": "Monad",
+      "symbol": "MON",
+      "decimals": 18,
+      "logoURI": "https://assets.sequence.info/images/tokens/large/143/0x0000000000000000000000000000000000000000.webp",
+      "extensions": {
+        "featured": true,
+        "featureIndex": 0
+      }
+    },
+    {
+      "chainId": 143,
+      "address": "0xeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee",
+      "name": "Monad",
+      "symbol": "MON",
+      "decimals": 18,
+      "logoURI": "https://assets.sequence.info/images/tokens/large/143/0x0000000000000000000000000000000000000000.webp",
+      "extensions": {
+        "featured": true,
+        "featureIndex": 0
+      }
+    },
+    {
+      "chainId": 143,
+      "address": "0x3bd359c1119da7da1d913d1c4d2b7c461115433a",
+      "name": "Wrapped MON",
+      "symbol": "WMON",
+      "decimals": 18,
+      "logoURI": "https://assets.sequence.info/images/tokens/large/143/0x0000000000000000000000000000000000000000.webp"
+    },
+    {
+      "chainId": 143,
+      "address": "0x754704Bc059F8C67012fEd69BC8A327a5aafb603",
+      "name": "USDC",
+      "symbol": "USDC",
+      "decimals": 6,
+      "logoURI": "https://assets.sequence.info/images/tokens/large/1/0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48.webp",
+      "extensions": {
+        "featured": true,
+        "featureIndex": 1
+      }
+    }
+  ]
+}