Moved electron related stuff into app folder

app.dev.js

@@ -1,27 +0,0 @@
-const electron = require('electron')
-const contextMenu = require('electron-context-menu')
-const path = require('path')
-
-const app = electron.app
-const BrowserWindow = electron.BrowserWindow
-
-let url = 'http://localhost:8080/'
-
-// Set the application menu
-require('./menu.js')
-
-app.on('ready', () => {
-  let window = new BrowserWindow({
-    width: 1124, 
-    height: 800,
-    icon: path.join(__dirname, '/icons/png/64x64.png')
-  })
-
-  contextMenu({
-    showCopyImageAddress: true,
-    showSaveImageAs: true,
-    showInspectElement: true,
-  });
-
-  window.loadURL(url)
-})