Add World Mobile Chain Mainnet - ChainID 869 (#7362)

* Add World Mobile Chain Mainnet - ChainID 869

* Update Chain Name WorldMobileChain-Mainnet - ChainID 869

* fix prettier issue

Author: ozzie-offsec

_data/chains/eip155-869.json

@@ -0,0 +1,16 @@
+{
+  "name": "WorldMobileChain-Mainnet",
+  "chain": "WMC",
+  "rpc": [],
+  "faucets": [],
+  "nativeCurrency": {
+    "name": "World Mobile Token",
+    "symbol": "WMTX",
+    "decimals": 18
+  },
+  "infoURL": "https://worldmobile.io/the-chain",
+  "shortName": "WMC",
+  "chainId": 869,
+  "networkId": 869,
+  "status": "incubating"
+}