Due to using a forked version of zsh-syntax-highlighting, you also get along the bug that causes a [bell on every keystroke][1], using zsh-users/zsh-syntax-highlighting instead I avoided this bug.

[1]: https://github.com/zsh-users/zsh-syntax-highlighting/issues/200

It basically means this: go to the end of line (i.e. accept the
suggestion) and then hit enter.

.md is a preferred file extension for Markdown files.

My rational for this is:
 1. Most linux desktop users are using some kind of debian/ubuntu/mint, so why not have them catered for primarily?
 2. the bash instructions work for everyone who has bash. Last time I checked, that was 99% of the linux community.

Some linux distros have sh symlinked to dash. So I have added a clarification to use bash for the distros.

Fix the path.

with zsh-syntax-highlighting

based on cursor position