Add Panchain Mainnet (Chain ID: 7890) to WalletConnect Explorer

[PANCHAINNETWORK]

1. JSON-RPC spec (GitHub Link):https://github.com/ethereum-lists/chains/blob/master/_data/chains/eip155-7890.json
2. CASA namespace spec (GitHub Link):Already EVM compatible - uses eip155 namespace
3. namespaces: eip155
4. chains:eip155:7890
5. Additional Details:- Chain Name: Panchain Mainnet

• Chain ID: 7890
• RPC URL: https://publicrpc.panchain.io
• Explorer: https://scan.panchain.io
• Native Currency: PC (Pan Coin)
• Decimals: 18
• Website: https://panchain.io
• CoinGecko: https://coingecko.com/en/coins/panchain
• Already listed on Chainlist.org ✅
• EVM Compatible ✅

[linear]

CR-799