[Peek] Support Right-to-Left (RTL) text alignment in the preview window

### Description of the new feature / enhancement

I would like to request the addition of an RTL (Right-to-Left) toggle button or a setting within the Peek preview window.

When viewing text files (code, logs, or plain text) that contain RTL languages like Hebrew, Arabic, or Persian, the text currently defaults to Left-to-Right alignment. This makes the content difficult to read and breaks the formatting of sentences.

Since Peek utilizes the Monaco Editor engine, which already has built-in support for RTL, I am requesting:

A UI button in the Peek toolbar to toggle RTL/LTR alignment.

(Optional) An option in PowerToys Settings to "Auto-detect" or "Default to RTL" based on system locale or content analysis.

### Scenario when this would be used?

As a user who frequently works with multilingual files or develops software involving RTL languages, Peek is currently less useful for a quick glance at text content.

Currently, to read an RTL text file properly, I have to actually open the file in a full editor (like VS Code or Notepad), which defeats the purpose of "Peek" being a quick, lightweight preview tool. Adding an RTL toggle would bring Peek's text-viewing capabilities on par with modern editors and make it accessible for a massive global user base.

### Supporting information

_No response_

Start by inspecting the Peek preview window and its Monaco Editor integration, then review how the Peek toolbar and PowerToys Settings are structured. Determine whether the requested RTL/LTR toggle belongs in the toolbar, settings, or both; done means RTL text is readable in the preview while LTR behavior remains available.

Written by the indexing model from the issue text.