feat: add a injection method to get network information

[jinoosss]

What type of PR is this?

• feature

What this PR does:

Add a method to inject that retrieves the current network information.

Users can retrieve network information by executing adena.GetNetwork().

Example response.

{
    “status": “success”,
    “data": {
        “chainId": “test4”,
        “networkName": “Testnet 4”,
        “addressPrefix": “g”,
        “rpcUrl": “https://rpc.test4.gno.land:443”,
        “indexerUrl": “https://test4.indexer.onbloc.xyz”
    },
    “code": 0,
    “message": “Get Network Information.”,
    “type": “GET_NETWORK”
}

[dongwon8247]

💯