Translations update from Weblate

See merge request !1137

Currently translated at 100.0% (114 of 114 strings)

Translation: AlekSIS/AlekSIS-Core-Frontend
Translate-URL: https://translate.edugit.org/projects/aleksis/aleksis-core-frontend/de/

The frontend now gets a dictionary passed explicitly. It is made
available in `$root.$aleksisFrontendSettings`.

Merge branch '759-finalise-vuetify-app-as-spa' of edugit.org:AlekSIS/official/AlekSIS-Core into 759-finalise-vuetify-app-as-spa

Merge remote-tracking branch 'origin/759-finalise-vuetify-app-as-spa' into 759-finalise-vuetify-app-as-spa

Routes can define `invalidate: "leave"` or `"enter"` to request
cache eviction when entering/leaving the route.

 * Move all generics to the respective directory
 * Register all generics globally
 * Self-close empty tags
 * Reformat

Merge branch '759-finalise-vuetify-app-as-spa' of edugit.org:AlekSIS/official/AlekSIS-Core into 759-finalise-vuetify-app-as-spa

Merge branch '759-finalise-vuetify-app-as-spa' of edugit.org:AlekSIS/official/AlekSIS-Core into 759-finalise-vuetify-app-as-spa

Merge branch '759-finalise-vuetify-app-as-spa' of edugit.org:AlekSIS/official/AlekSIS-Core into 759-finalise-vuetify-app-as-spa

Merge branch '759-finalise-vuetify-app-as-spa' of edugit.org:AlekSIS/official/AlekSIS-Core into 759-finalise-vuetify-app-as-spa

Merge remote-tracking branch 'origin/759-finalise-vuetify-app-as-spa' into 759-finalise-vuetify-app-as-spa

Merge branch '759-finalise-vuetify-app-as-spa' of edugit.org:AlekSIS/official/AlekSIS-Core into 759-finalise-vuetify-app-as-spa

Merge remote-tracking branch 'origin/759-finalise-vuetify-app-as-spa' into 759-finalise-vuetify-app-as-spa