Improve "From command line" page

[hunsalz]

A bullet list of topics of interest

Refers to https://docs.ionos.space/docs/from-cmd-line/

• add hint to .htaccess best practices for SPAs
• add https://sli.dev/ sample
• add https://laravel.com/
• add https://symfony.com/
• add https://gohugo.io/
• add https://emberjs.com/
• add https://getbootstrap.com/
• add https://jekyllrb.com/
• add https://github.com/tighten/jigsaw
• add https://getgrav.org/
• add https://octobercms.com/