fix: 统一书写规范，改为直接导出对象的方式

Author: hpyer

src/Core/SocialiteManager.ts

@@ -3,16 +3,16 @@
 import { CustomProviderCreators, ProviderConfig, ProviderConstructable, ProviderCreator, ProviderInterface, ResolvedProviders, SocialiteConfig, SupportProviders } from "../../types/global";
 import { Config } from "./Config";
 import { BaseProvider } from "./BaseProvider";
-import Github from "../Providers/Github";
-import WeChat from "../Providers/WeChat";
-import WeWork from "../Providers/WeWork";
-import OpenWeWork from "../Providers/OpenWeWork";
-import Weibo from "../Providers/Weibo";
-import QQ from "../Providers/QQ";
-import DouYin from "../Providers/DouYin";
-import Taobao from "../Providers/Taobao";
-import Gitee from "../Providers/Gitee";
-import Coding from "../Providers/Coding";
+import { Github } from "../Providers/Github";
+import { WeChat } from "../Providers/WeChat";
+import { WeWork } from "../Providers/WeWork";
+import { OpenWeWork } from "../Providers/OpenWeWork";
+import { Weibo } from "../Providers/Weibo";
+import { QQ } from "../Providers/QQ";
+import { DouYin } from "../Providers/DouYin";
+import { Taobao } from "../Providers/Taobao";
+import { Gitee } from "../Providers/Gitee";
+import { Coding } from "../Providers/Coding";
 
 /**
  * 社交服务管理器

src/Providers/Coding.ts

@@ -7,7 +7,7 @@ import { User } from "../Core/User";
 /**
  * @see [OAuth认证](https://coding.net/help/openapi)
  */
-export default class Coding extends BaseProvider
+export class Coding extends BaseProvider
 {
   public static NAME: string = 'coding';
   protected _scopes: string[] = ['user', 'user:email'];

src/Providers/DouYin.ts

@@ -7,7 +7,7 @@ import { merge } from "../Core/Utils";
 /**
  * @see [WEB 授权说明](https://open.douyin.com/platform/doc/6852243568711583752)
  */
-export default class DouYin extends BaseProvider
+export class DouYin extends BaseProvider
 {
   public static NAME: string = 'douyin';
   protected _baseUrl: string = 'https://open.douyin.com';

src/Providers/Gitee.ts

@@ -6,7 +6,7 @@ import { User } from "../Core/User";
 /**
  * @see [OAuth文档](https://gitee.com/api/v5/oauth_doc)
  */
-export default class Gitee extends BaseProvider
+export class Gitee extends BaseProvider
 {
   public static NAME: string = 'gitee';
   protected _scopes: string[] = ['user_info'];

src/Providers/Github.ts

@@ -7,7 +7,7 @@ import { inArray } from "../Core/Utils";
 /**
  * @see [授权 OAuth 应用程序](https://docs.github.com/cn/developers/apps/building-oauth-apps/authorizing-oauth-apps)
  */
-export default class Github extends BaseProvider
+export class Github extends BaseProvider
 {
   public static NAME: string = 'github';
   protected _scopes: string[] = ['read:user'];

src/Providers/OpenWeWork.ts

@@ -8,7 +8,7 @@ import { buildQueryString, merge } from "../Core/Utils";
 /**
  * @see [网页授权登录](https://developer.work.weixin.qq.com/document/path/91119)
  */
-export default class OpenWeWork extends BaseProvider
+export class OpenWeWork extends BaseProvider
 {
   public static NAME: string = 'open-wework';
   protected _detailed: boolean = false;

src/Providers/QQ.ts

@@ -7,7 +7,7 @@ import { merge } from "../Core/Utils";
 /**
  * @see [OAuth2.0简介](https://wiki.connect.qq.com/oauth2-0%E7%AE%80%E4%BB%8B)
  */
-export default class QQ extends BaseProvider
+export class QQ extends BaseProvider
 {
   public static NAME: string = 'qq';
   protected _baseUrl: string = 'https://graph.qq.com';

src/Providers/Taobao.ts

@@ -7,7 +7,7 @@ import { buildQueryString, formatTime, generateHash, merge } from "../Core/Utils
 /**
  * @see [Taobao - 用户授权介绍](https://open.taobao.com/doc.htm?docId=102635&docType=1&source=search)
  */
-export default class Taobao extends BaseProvider
+export class Taobao extends BaseProvider
 {
   public static NAME: string = 'taobao';
   protected _baseUrl: string = 'https://oauth.taobao.com';

src/Providers/WeChat.ts

@@ -9,7 +9,7 @@ import { inArray, buildQueryString, merge } from "../Core/Utils";
  * @see [公众号 - 网页授权](https://developers.weixin.qq.com/doc/offiaccount/OA_Web_Apps/Wechat_webpage_authorization.html)
  * @see [开放平台 - 网站应用微信登录开发指南](https://open.weixin.qq.com/cgi-bin/showdocument?action=dir_list&t=resource/res_list&verify=1&id=open1419316505&token=&lang=zh_CN)
  */
-export default class WeChat extends BaseProvider
+export class WeChat extends BaseProvider
 {
   public static NAME: string = 'wechat';
   protected _scopes: string[] = ['snsapi_login'];

src/Providers/WeWork.ts

@@ -8,7 +8,7 @@ import { buildQueryString } from "../Core/Utils";
 /**
  * @see [网页授权登录](https://developer.work.weixin.qq.com/document/path/91335)
  */
-export default class WeWork extends BaseProvider
+export class WeWork extends BaseProvider
 {
   public static NAME: string = 'wework';
   protected _detailed: boolean = false;