feat: support exit by press `x`

src/main.js

@@ -21,15 +21,9 @@ function createWindow() {
 
 function init() {
   const win = createWindow()
-  globalShortcut.register('alt+x', () => {
+  globalShortcut.register('x', () => {
     app.exit(0)
   })
-  // globalShortcut.register('ctrl+j', () => {
-  //   win.webContents.executeJavaScript(`impress("impress").next()`)
-  // })
-  // globalShortcut.register('ctrl+k', () => {
-  //   win.webContents.executeJavaScript(`impress("impress").prev()`)
-  // })
 }
 
 app.whenReady().then(init)