✨ Feature: add picgo.use for easily using plugin

Author: Molunerfinn

src/core/PicGo.ts

@@ -10,7 +10,7 @@ import uploaders from '../plugins/uploader'
 import transformers from '../plugins/transformer'
 import PluginLoader from '../lib/PluginLoader'
 import { get, set, unset } from 'lodash'
-import { IHelper, IImgInfo, IConfig, IPicGo, IStringKeyMap, IPluginLoader, II18nManager } from '../types'
+import { IHelper, IImgInfo, IConfig, IPicGo, IStringKeyMap, IPluginLoader, II18nManager, IPicGoPlugin, IPicGoPluginInterface } from '../types'
 import getClipboardImage from '../utils/getClipboardImage'
 import Request from '../lib/Request'
 import DB from '../utils/db'
@@ -109,6 +109,11 @@ export class PicGo extends EventEmitter implements IPicGo {
     }
   }
 
+  use (plugin: IPicGoPlugin): IPicGoPluginInterface {
+    const pluginInstance = plugin(this)
+    return pluginInstance
+  }
+
   registerCommands (): void {
     if (this.configPath !== '') {
       this.cmd.init()