chg: [ui] improved forms in navbar.
fixed a minor issue in the bookmarks template concerning the list of tags about a bookmark
chg: [template] in the template for popular feeds, select only feeds different from None
chg: [template] in the template for popular feeds, select only defined feeds
improvements to the menu of feeds
chg: [layout] minor improvements to the home page.
Updated bootstrap to version 5.0.0-alpha1 and removed dependency to jQuery.
Updated CHANGELOG for the new release.
new: [categories] when creating or editing a category it is now possible to select feeds via a select multiple field.
chg: [documentation] Updated screen shot of the home page.
chg: [views] sort categories by number of unread articles for each category
chg: [views] improved article view
chg: [views] removed delete article button from the home page.
removed a useless title in the README.
Removed Dockerfile and docker-compose.yml.
Updated URL of the project home page.
Bump jquery from 3.4.1 to 3.5.0.