Feature: Please allow adding a .gitignore file in the containing folder, in addition to creating it at the root folder

<img width="1760" height="941" alt="Image" src="https://github.com/user-attachments/assets/20e78817-753b-46e4-b633-b1ca5e0eb916" />

Feature borrowed from TortoiseGit:
<img width="742" height="468" alt="Image" src="https://github.com/user-attachments/assets/fbd87831-27b8-445f-ad00-1c479b55f649" />