[Feature Request]: Create Markdown file

### What would you like to happen?

I think it would be useful to be able to create a Markdown file in a project

<img width="465" height="438" alt="Image" src="https://github.com/user-attachments/assets/34df71f9-8bc0-44c5-b63d-7435ddf7f018" />

### Issue Priority

Priority: 3

### Issue Component

Component: Hop Gui