Feature request: Desktop App (Tauri)

**Is your feature request related to a problem? Please describe.**
Unable to use Cyber Chef locally

**Describe the solution you'd like**
A desktop app made with Tauri

**Describe alternatives you've considered**
None

**Additional context**
Tauri allows you to make lightweight desktop apps using HTML, CSS, and JS

The issue names no files, tests, or entry points. Start by reviewing the existing JavaScript web app and Tauri's desktop-app requirements; define the implementation scope and how the finished desktop app will be verified. Done means CyberChef is available as a lightweight Tauri desktop app.

Written by the indexing model from the issue text.