* Move hiyaCFW content from dsi.cfw.guide
* Change installing page titles
* Fix links to hiya pages
* Move antivirus notice to alert
* Use colons in headings
* Update troubleshooting.md
Also adjust page title <hr> a bit
* Use liquid comments and minor wording change
* Make sidebar index be separate from page list
* Remove step to uncheck install TWiLight box
* Rename from installing-hiyacfw to installing
- They now work as tabs without JS
- Use an include for cleaner markdown
- A little bit nicer code overall, annoying that the split is needed, but otherwise pretty nice now
- Get language and rtl lists from liquid so that there's only one place to update
- Don't show the popup if the current language is a fallback
- Use the lang property on the element to ensure the correct character forms and such
- Use the dir property instead of CSS
