Release 9.5.0 (2022-03-31)

New:

- [commands] Added a function which deletes read articles retrieved since more than 60
  days ago;
- [commands] added a command to delete inactive users (number of months given in
  parameter);
- [stats_bp] Added new blueprint for future stats and added a new bar chart in the
  history page.

Improvements:

- improved indexes of the database;
- various improvements to the Web graphical interface;
- improved code style;
- updated Python and JavaScript dependencies;
- various improvements related to the migration to Bootstrap 5.

Fixes:

- [controllers] fixed an issue in the management of bookmark's tags;
- various fixes.