Get flow info from JS Context in the Scripting

Description

Currently, we can print out the data of the context object by using console.log(context). For instance,

// context (readonly)
{
    "scriptName": "<String> Your Script Name",
    "matchingRule": "<String> Your Matching Rule",
    "matchingMethod": "<String> Method",
    "isEnableOnRequest": "Bool",
    "isEnableOnResponse": "Bool",
    "filePath": "<String> Script path"
}

However, it lacks the flow data, such as ID, Remote Device IP, Nickname, Client Path, or Client/Remote Address. They're useful if some users need them to write their logic.

For example, change the host if the request comes from a particular remote device.

if (context.remoteDeviceIP == "192.168.0.101") {
   request.host = "localhost"
}

Acceptance Criteria

• Add a few useful information of the flow to the context object