HTTP Request 工具函数对象化改造

[TechQuery]

Task description

将 HTTPRequest.ts 里的工具函数全包在以下类中，并导出兼容函数：

export class HTTPToolkit {
    constructor(public runtime = { EventTarget, XMLHttpRequest, Blob, Headers, ReadableStream, fetch }) {
    }
    // 以下是原函数们……
    request = () => {
    };

    requestFetch = () => {
    };
}
// 以下是原函数们的兼容包装……
export const { request, requestFetch } = new HTTPToolkit();

Reward currency

TQT $

Reward amount

45

Reward payer

石垚 tech-query@idea2app.cn

Task source

https://idea2app.feishu.cn/record/Olqfru9CkeYgTPcKOT9cmQfpnvg

[github-actions]

Reward data

- issue: "#22"
  payer: "@石垚 <tech-query@idea2app.cn>"
  payee: "@TechQuery"
  currency: TQT $
  reward: 45