chore(translate): update Dutch

Currently translated at 100.0% (245 of 245 strings)
Translation: SimpleEmail/Translations
Translate-URL: https://hosted.weblate.org/projects/simple-email/translations/nl/

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

@@ -257,4 +257,7 @@
   <string name="title_show_details">Details tonen</string>
   <string name="title_no_accounts_yet">Je hebt nog geen ingestelde accounts</string>
   <string name="title_no_identities_yet">Je hebt nog geen ingestelde identiteiten</string>
-</resources>
+<string name="title_try_subject">Probeer SimpleEmail</string>
+  <string name="title_try_text">Uitnodiging aan:</string>
+
+  </resources>