title: Can't push refs to remote. Try running 'Pull' first to integrate your changes
body: <p>I want to push my project to git hub.</p>
  <p>I use VSCode editor when i upload my project to github.</p>
  <p>I got this type of error</p>
  <p><img src="https://i.stack.imgur.com/V4Ieb.png" alt="enter image description here" /></p>