### Features

#### Localizeddate fallback

Fallback to `date()` if the `localizeddate` filter is not available.

### Fixes

- An XSL file must be nammed "xsl" not "xslt"
- "alt" attribute removed from audio and video tags
- Localization of a not found menu entry (404) fixed
- Skeleton: example image URL fixed
- Fetch site pages (`site.pages`) in current language

### Documentation

- _Quick Start_ updated
- _Content_ updated
- Language section updated
- _Configuration_ updated

### Misc

- Dependencies updated
- Code enhanced