支持导入/导出会话

[mkdir700]

• 支持导入/导出会话
• 兼容 https://github.com/Chanzhaoyu/chatgpt-web ，可以将其导出的文件导入至 moss 插件内。

以下是导出的文件示例。

{
  "data": {
    "active": 1678961702678,
    "history": [
      {
        "title": "New Chat",
        "uuid": 1678961940425,
        "isEdit": false
      },
      {
        "title": "hello",
        "uuid": 1678961702678,
        "isEdit": false
      }
    ],
    "chat": [
      {
        "uuid": 1678961940425,
        "data": []
      },
      {
        "uuid": 1678961702678,
        "data": [
          {
            "dateTime": "2023/3/16 18:19:07",
            "text": "hello",
            "inversion": true,
            "error": false,
            "conversationOptions": null,
            "requestOptions": {
              "prompt": "hello",
              "options": null
            }
          },
          {
            "dateTime": "2023/3/16 18:19:11",
            "text": "Hello! How can I assist you today?",
            "inversion": false,
            "error": false,
            "loading": false,
            "conversationOptions": {
              "parentMessageId": "chatcmpl-6uezMBioKSJc89GaPc0rlFewglPhW"
            },
            "requestOptions": {
              "prompt": "hello",
              "options": {}
            }
          }
        ]
      }
    ]
  },
  "expire": null
}