title: How do I open a Telegram chat from my flutter app?
body: <p>I am working on a flutter app that has a 'Contact me' section. I have already provided a direct <code>mailto</code> link in the app using the <code>url_launcher</code> plugin.</p>
  <p>Now I plan to open a Telegram chat with my telegram account in the user's phone. How do I do it?</p>