updated electron-debug usage

app/lib/index.ts

@@ -2,6 +2,7 @@ import './lru'
 import { app, ipcMain, Menu } from 'electron'
 import { parseArgs } from './cli'
 import { Application } from './app'
+import electronDebug = require('electron-debug')
 
 if (!process.env.TERMINUS_PLUGINS) {
     process.env.TERMINUS_PLUGINS = ''
@@ -42,7 +43,7 @@ if (!app.requestSingleInstanceLock()) {
 }
 
 if (argv.d) {
-    require('electron-debug')({ enabled: true, showDevTools: 'undocked' })
+    electronDebug({ isEnabled: true, showDevTools: 'undocked' })
 }
 
 app.on('ready', () => {