[Run] Add ability to preview files

[aarish21]

I think this would be the most useful feature to preview files and videos

[btdat2506]

why it isnt here till now?????????

You upvote it, and share it.

https://github.com/microsoft/PowerToys/blob/main/CONTRIBUTING.md#how-to-tell-the-powertoys-team-this-is-an-interesting-thing-to-focus-on