[FEATURE REQUEST] Preview Manifest JSON file inside UniGet

### Please confirm these before moving forward.

- [x] I have searched for my feature proposal and have not found a work-in-progress/duplicate/resolved/discarded issue.
- [x] This proposal is a completely new feature. If you want to suggest an improvement or an enhancement, please use [this template](https://github.com/marticliment/WingetUI/issues/new?assignees=marticliment&labels=enhancement&projects=&template=enhancement-improvement.yml&title=%5BENHANCEMENT%5D+%28Enter+your+description+here%29).

### Describe the new feature

Hi,

I suggest adding Monaco editor and embedding a manifest preview directly within the Package Details window.

### Describe how this new feature could help users

This preview could be initially collapsed and expand on click, featuring syntax highlighting for quick verification of official distribution channels, aiding in the identification of potential threats.