Added strings to strings.xml to allow translation.

app/src/main/res/values/strings.xml

@@ -595,6 +595,8 @@
         <item quantity="one">Download finished</item>
         <item quantity="other">%s downloads finished</item>
     </plurals>
+    <!-- dialog about resetting settings -->
+    <string name="reset_all_settings">Resetting all settings will discard all of your preferred settings and restarts the app. Are you sure you want to proceed?</string>
     <!-- dialog about existing downloads -->
     <string name="generate_unique_name">Generate unique name</string>
     <string name="overwrite">Overwrite</string>