New Crowdin updates (#815)

* New translations en.json (Romanian)

* New translations en.json (Slovak)

* New translations en.json (Hindi)

* New translations en.json (Latvian)

* New translations en.json (Croatian)

* New translations en.json (Persian)

* New translations en.json (Indonesian)

* New translations en.json (Portuguese, Brazilian)

* New translations en.json (Vietnamese)

* New translations en.json (Chinese Traditional)

* New translations en.json (Turkish)

* New translations en.json (Swedish)

* New translations en.json (Slovenian)

* New translations en.json (Russian)

* New translations en.json (French)

* New translations en.json (Portuguese)

* New translations en.json (Polish)

* New translations en.json (Dutch)

* New translations en.json (Lithuanian)

* New translations en.json (Japanese)

* New translations en.json (Italian)

* New translations en.json (Finnish)

* New translations en.json (Greek)

* New translations en.json (German)

* New translations en.json (Czech)

* New translations en.json (Arabic)

* New translations en.json (Spanish)

* New translations en.json (Serbian (Latin))

resources/scripts/locales/el.json

@@ -526,6 +526,7 @@
     "cloned_successfully": "Επαναλαμβανόμενο τιμολόγιο κλωνοποιήθηκε επιτυχής",
     "clone_invoice": "Δημιουργία Επαναλαμβανόμενου Τιμολογίου",
     "confirm_clone": "Αυτό το επαναλαμβανόμενο τιμολόγιο θα κλωνοποιηθεί σε ένα νέο επαναλαμβανόμενο τιμολόγιο",
+    "add_customer_email": "Please add an email address for this customer to send invoices automatically.",
     "item": {
       "title": "Τίτλος Προϊόντος",
       "description": "Περιγραφή",