Example: New e-shop example

[louismaximepiton]

Note: This PR supersedes #1839 which was approved in light mode only (a11y and design)

Related issues

Closes #1560

Description

Things to know before reviewing it

• The tags should wrap on 2 lines at max and have a horizontal scroll padding.
• The phone images should respect a ratio of 3/4 and have a width of 4 columns of its parent.
• Spacings between texts inside the main phone cards are 20px above, 5px between From and orange price and 0px between this price and the optionnal one under.
• There are some issues with the font styles. They will mainly be tackled with font tokens once we implement them.
• Many spacings will need to be reworked once the spacing tokens will be implemented.
• The counter component will maybe be discussed inside a spec meeting to determine the behavior, the a11y and the different designs it could take.
• Fine to write on .bg-danger
• .border-supporting-* shouldn't exist since its example related. They have been transformed into .border-success and .border-info.
• The design for the main phone cards as been a bit tweaked to make sure to have the same (or almost) markup in each card (the checkbox and button should appear 20px under the bottomest element above).
• The stretched links should be used only if there's only one thing to handle. There should be non-cliquable elements around those.
• I've added some skip links, feel free to add some if you can see some useful others.
• I've added a back-to-top component.
• Some colors have to be tweaked a bit since the design changed some color tokens.

Things to tackle outside of this PR

• Fonts
• Issue for counter component
• Issue for color chip
• Responsive breadcrumb (Local Headers > Breadcrumb #891)
• Better star rating without form markup ? (Enhance star ratings with readonly/disabled states #1764)
• Checkboxes and radio buttons to size up to 20px (Checks&Radios: Increase the size to follow the brand #1860)
• Line-through is a bit shifted on design
• Double range slider (Forms > Sliders #116)
• Better our spacer after ul/p, ... with multiple of 5 ?

Saved information after the modification for the dark mode

1rst commit: 904c7a8
Commit with dark mode changes: db92da5

Motivation & Context

Types of change

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

Live previews

• https://deploy-preview-2434--boosted.netlify.app/docs/examples/e-shop/

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
• (NA) I have added JavaScript unit tests to cover my changes
• (NA) 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
• (NA) My new component is added in Storybook
• (NA) 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

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[julien-deramond]

The mode selector should be in the header.
The dark mode version should be provided by the designers.