Allow sending orders using Websocket api endpoints

[coder-ishan]

Allow sending orders using Websocket api endpoints
for example , post request mentioned here
https://hyperliquid.gitbook.io/hyperliquid-docs/for-developers/api/websocket/post-requests

{
"method": "post",
"id": 256,
"request": {
"type": "action",
"payload": {
"action": {
"type": "order",
"orders": [{"a": 4, "b": true, "p": "1100", "s": "0.2", "r": false, "t": {"limit": {"tif": "Gtc"}}}],
"grouping": "na"
},
"nonce": 1713825891591,
"signature": {
"r": "...",
"s": "...",
"v": "..."
},
"vaultAddress": "0x12...3"
}
}
}