feat: create code switcher tab

[itsacoyote]

What :computer:

• Create a component that tabs content for display
• Create a component that displays partial markdown files for re-use across documents

Why :hand:

• Breaks down complex instructions that will be hidden in tabs into partials for easier editing.
• Makes it easier to re-use content versus re-writing content.

Evidence :camera:

Example set up in the Getting Started page to show how it can be used. NuxtUI has a UTabs component that can be used plainly if we didn't want to use this. This new component provides a way to have tabbed content that can be loaded from partial markdown files to help split up content and make editing potentially easier.

A future feature to implement in this component would be to have a way to track which tab is actively selected and update similar tabs to the same selected tab. Also store this selected tab in localStorage potentially so that the preferred tab for the user is always selected across the site.

[github-actions[bot]]

Visit the preview URL for this PR (updated for commit 40708ac):

https://zksync-docs-staging-5eb09--pr8-itsacoyote-devrl-448-blokitwu.web.app

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