add wmc testnet chain (#6593)

* add wmc testnet chain

* update wmc icon

---------

Co-authored-by: ligi <ligi@ligi.de>

Author: dmitrii602

_data/chains/eip155-42070.json

@@ -0,0 +1,23 @@
+{
+  "name": "WMC Testnet",
+  "chain": "WMC",
+  "icon": "wmc",
+  "rpc": ["https://rpc-testnet-base.worldmobile.net"],
+  "faucets": ["https://faucet-testnet-base.worldmobile.net"],
+  "nativeCurrency": {
+    "name": "WMTx",
+    "symbol": "WMTx",
+    "decimals": 18
+  },
+  "infoURL": "https://worldmobiletoken.com",
+  "shortName": "wmtx",
+  "chainId": 42070,
+  "networkId": 42070,
+  "explorers": [
+    {
+      "name": "WMC Explorer",
+      "url": "https://explorer-testnet-base.worldmobile.net",
+      "standard": "EIP3091"
+    }
+  ]
+}

_data/icons/wmc.json

@@ -0,0 +1,8 @@
+[
+  {
+    "url": "ipfs://QmVWrPMhSkocodzjz54R6qdQ1UJx4Y6oUAsvKuqWTi9u2E",
+    "width": 232,
+    "height": 232,
+    "format": "png"
+  }
+]