Describe the bug
When browsing https://dev.to on a Safari (including embedded web views like Twitter's) we should see a banner at the top of the website that offers a deep-link towards for the iOS app (or a CTA for install).

Apple's validation tool shows the following error:

To Reproduce
Steps to reproduce the behavior:

1. Open Safari and go to 'https://dev.to'
2. Click on any article
3. The banner should be visible

Expected behavior
A banner similar to the following should be visible:

Screenshots
The current way the website renders on Safari

Smartphone (please complete the following information):

• Device: iPhone 11
• OS: 13.3.1
• Version 1.3.0