GitLab

+ changed keypresses to use the <kbd> tag
+ added "rebinding keys" section
- removed line break on description
- removed line break on "rebinding keys"

The flag '-h' isn't universal across implementation. According to FreeBSD man page for ln you can use 'n'.

Force the mark to point to the new dir, replacing the old one.

Fixes #7195

Changed aliases from
```
alias vsce='code --extensions-dir'
alias vsced='code --disable-extensions'
```
to
```
alias vsced='code --extensions-dir'
alias vscde='code --disable-extensions'
```

`vsce` is the command line to publish extensions:
https://code.visualstudio.com/docs/extensions/publish-extension