Added a markup plugin Schema.org for component entities. For lists ListItemis used, SoftwareApplication for the project and version page, and TechArticle for the documentation page.

In the admin panel, in the list of keys, you can now search by order number, email, domain, and the contents of the key note.

Domain output and notes have been added to the list of keys in the admin panel.

The search in the list of projects in the admin panel has become more accurate. The superfluous ones have been removed from the search fields.

Code refactoring and cleanup