Translate strings.xml in it_IT

99% of minimum 70% translated source file: 'strings.xml'
on 'it_IT'.

Sync of partially translated files: 
untranslated content is included with an empty translation 
or source language content depending on file format

app/src/main/res/values-it-rIT/strings.xml

@@ -123,6 +123,7 @@
     <!--ListMode-->
     <!--Folder-->
     <string name="pick_a_file">Seleziona un file</string>
+    <string name="pick_files">Scegli uno o più file</string>
     <string name="process_viewer">Visualizza processi</string>
     <string name="in_safe">Spazio insufficiente</string>
     <string name="no_file_overwrite">Nessuna sovrascrittura</string>