fix: it's called Plasma

fix: it's called Plasma

Translated using Weblate (Spanish)

Currently translated at 91.6% (87 of 95 strings)

Translation: openSUSE-welcome/master
Translate-URL: https://l10n.opensuse.org/projects/opensuse-welcome/master/es/

Fix i18n not supporting destdir

Translated using Weblate (Italian)

Currently translated at 45.1% (37 of 82 strings)

Translation: openSUSE-welcome/master
Translate-URL: https://l10n.opensuse.org/projects/opensuse-welcome/master/it/

Translated using Weblate (Italian)

Currently translated at 45.1% (37 of 82 strings)

Translation: openSUSE-welcome/master
Translate-URL: https://l10n.opensuse.org/projects/opensuse-welcome/master/it/

Modify i18n.qrc to include catalan translation

Hide messages

Update RSS feeds to be handled by QML and add HTML escaping

update meson.build and i18n.qrc to actually build properly