feat(service-menu): pobla SISTEMA amb reinici, eixir i confirmacions

data/locale/ca.yaml

@@ -71,6 +71,13 @@ service_menu:
   audio_music_volume: "VOLUM MUSICA"
   audio_sound: "EFECTES"
   audio_sound_volume: "VOLUM EFECTES"
+  # Items del submenu SISTEMA
+  system_restart: "REINICIAR"
+  # Pagines de confirmacio (estructura: titol + NO/SI)
+  confirm_restart: "ESTAS SEGUR DE REINICIAR?"
+  confirm_exit: "ESTAS SEGUR DE EIXIR?"
+  confirm_no: "NO"
+  confirm_yes: "SI"
   # Valors comuns
   value_on: "ACTIU"
   value_off: "INACTIU"

data/locale/en.yaml

@@ -70,6 +70,13 @@ service_menu:
   audio_music_volume: "MUSIC VOLUME"
   audio_sound: "SOUNDS"
   audio_sound_volume: "SOUND VOLUME"
+  # Items of SYSTEM submenu
+  system_restart: "RESTART"
+  # Confirmation pages (structure: title + NO/YES)
+  confirm_restart: "REALLY RESTART?"
+  confirm_exit: "REALLY EXIT?"
+  confirm_no: "NO"
+  confirm_yes: "YES"
   # Common values
   value_on: "ON"
   value_off: "OFF"