* Improves the metadata exposed, such as site or post description, site
or post image. Make use of <https://matuzo.at/blog/html-boilerplate>.
* Removes extra empty lines or identation due to badly written layout.
However, minifying at build could be a good idea.
* Improves very slightly the webmanifest file.
Co-Authored-by: iGor milhit <igor@milhit.ch>
Expose metadata in a way that Zotero can read, so Dublin Core and Open
Graph are an easy way. No so easy, but still.
The language attribute of the html tag has been correctly set.
In the process, the date test has been improved.
Closes#3
Co-Authored-by: Igor Milhit <igor@milhit.ch>
iGor milhit