Examples: Add download app example

[louismaximepiton]

Note: Please transform - [ ] into - (NA) in the description when things are not applicable

Related issues

Superseed #1915.

Description

Remove all reference to tac since there is no cookie from mastermedia.

Motivation & Context

NA

Types of change

• New feature (non-breaking change which adds functionality)

Live previews

• https://deploy-preview-2146--boosted.netlify.app/download-app

Checklist

Contribution

• I have read the contributing guidelines

Accessibility

• My change follows accessibility good practices; I have at least run axe

Design

• My change respects the design guidelines defined in Orange Design System
• My change is compatible with responsive display

Development

• My change follows the developer guide
• I have added JavaScript unit tests to cover my changes
• I have added SCSS unit tests to cover my changes

Documentation

• My change introduces changes to the documentation and/or I have updated the documentation accordingly

Checklist (for Core Team only)

• My change introduces changes to the migration guide
• My new component is added in Storybook
• My new component is compatible with RTL
• Manually run BrowserStack tests
• Manually test browser compatibility with BrowserStack (Chrome >= 60, Firefox >= 60 (+ ESR), Edge, Safari >= 12, iOS Safari, Chrome & Firefox on Android)
• Code review
• Design review
• A11y review

After the merge

• Manually launch Percy tests

[netlify]

✅ Deploy Preview for boosted ready!

Name	Link
🔨 Latest commit	b2effe8
🔍 Latest deploy log	https://app.netlify.com/sites/boosted/deploys/64b79d5ddcd5a100080903a3
😎 Deploy Preview	https://deploy-preview-2146--boosted.netlify.app/docs/5.3/migration
📱 Preview on mobile	Toggle QR Code... Use your smartphone camera to open QR code link.

---

To edit notification comments on pull requests, go to your Netlify site configuration.

[julien-deramond]

Not to tackle in this PR because we do that at other places too, but Firefox is complaining about the fact that we use rem to define SVG width and height, and it's right apparently. Maybe we should create an issue to check that.

Unexpected value 6.25rem parsing height attribute.
Unexpected value 3.75rem parsing width attribute.
[... a lot of warning messages]
Unexpected value 1.25rem parsing height attribute.

[julien-deramond]

There are 3 style="..." in the HTML that should be moved to the CSS file if possible.

[sonarcloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
1 Code Smell

No Coverage information
0.0% Duplication

[julien-deramond]

LGTM!