feat(i18n-de): Update German translations

Translated using Weblate
Currently translated at 99.4% (953 of 958 strings)

Translation: fluidd/fluidd
Translate-URL: https://hosted.weblate.org/projects/fluidd/fluidd/de/

Co-authored-by: Hosted Weblate <[email protected]>
Co-authored-by: Mathis Mensing <[email protected]>
Signed-off-by: Mathis Mensing <[email protected]>

Author: weblate

src/locales/de.yaml

@@ -374,6 +374,8 @@ app:
       z_hop_height: Z-Hop Höhe
       length_in_kilometers: Länge in Kilometern
       time_in_days: Zeit in Tagen
+      connected: Verbunden
+      disconnected: Nicht verbunden
     msg:
       password_changed: Passwort geändert
       wrong_password: Ups, etwas ist schiefgelaufen. Ist Ihr Passwort korrekt?