GitIgnore filters eleventy output

[asbjornb]

Describe the bug
Currently everything in .gitignore is ignored when serving the site with npm start.

To Reproduce

1. Clone the template
2. Add notes/ to .gitignore
3. run npm install from terminal
4. run npm start from terminal

Expected behavior
I can't say for sure if .gitignore is meant to be respected by 11 in this project, but I think not due to the useGitIgnore: false.
If so though - I expect it to still serve the files in .gitignore as long as they are not in .eleventyignore

Environment (please complete the following information):

• Windows 10 business
• chrome

Additional info
Current implementation is not using the eleventyConfig.setUseGitIgnore(false); specification in the official docs at https://www.11ty.dev/docs/ignores/