feat(docs): add guide for creating an app with Juno UI Components

[ArtieReus]

Summary

This PR introduces documentation on how to create an app using Juno UI Components. The guide covers the setup process, including adding dependencies, configuring Vite, and integrating Juno-specific providers and components into your application.

This PR does not include any interface descriptions or instructions for integrating the app with Greenhouse or Aurora. Future documentation updates may cover these integrations as needed.

Changes Made

• Added a step-by-step guide for creating an app with Juno UI Components.

Checklist

• I have performed a self-review of my code.
• I have commented my code, particularly in hard-to-understand areas.
• I have added tests that prove my fix is effective or that my feature works.
• New and existing unit tests pass locally with my changes.
• I have made corresponding changes to the documentation (if applicable).
• My changes generate no new warnings or errors.

[changeset-bot]

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Latest commit: 444efcc

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[github-actions]

PR Preview Action v1.4.8
🚀 Deployed preview to https://cloudoperators.github.io/juno/pr-preview/pr-679/
on branch gh-pages at 2024-12-12 09:05 UTC

[ArtieReus]

@edda do you want to mention anything about the app props embedded and fullWidthContent for the AppShell?

[andypf]

Great!