Add missing Dutch translations and improve some existing ones (#62)

* Add missing Dutch translations and improve some existing ones

* Fix spacing

src/_locales/nl/messages.json

@@ -380,7 +380,7 @@
     "description": "Rate the Extension"
   },
   "rateExtensionDesc": {
-    "message": "Overweeg alsjeblieft ons te helpen met een goede recensie",
+    "message": "Je kunt ons helpen door een goede recensie achter te laten!",
     "description": "Please consider helping us out with a good review!"
   },
   "browserNotSupportClipboard": {
@@ -396,7 +396,7 @@
     "description": "Invalid master password"
   },
   "lockOptions": {
-    "message": "Versleutelopties",
+    "message": "Versleutel",
     "description": "Lock Options"
   },
   "immediately": {
@@ -602,5 +602,49 @@
   "lost2FAApp": {
     "message": "Authenticatie-app kwijt?",
     "description": "Lost authenticator app?"
+  },
+  "credits": {
+    "message": "Credits",
+    "description": "Credits (giving thanks to people that helped, like at the end of a movie)"
+  },
+  "thankYou": {
+    "message": "Bedankt",
+    "description": "Thank You"
+  },
+  "translations": {
+    "message": "Vertalingen",
+    "description": "Translations"
+  },
+  "searchFolder": {
+    "message": "Zoek in map",
+    "description": "Search folder"
+  },
+  "noneFolder": {
+    "message": "(geen)",
+    "description": "(none) - this is the folder for uncategorized sites"
+  },
+  "features": {
+    "message": "Features",
+    "description": "Features"
+  },
+  "gaDesc": {
+    "message": "We gebruiken Google Analytics om te weten te komen hoe de extensie gebruikt wordt, zodat we deze kunnen verbeteren. Alle verzamelde data is anoniem.",
+    "description": "We use Google Analytics to better learn how the extension is being used so that we can make it better. All data collection is completely anonymous."
+  },
+  "disableAddSiteNotification": {
+    "message": "Zet Notificatie bij Nieuwe Site Uit",
+    "description": "Disable Add Site Notification"
+  },
+  "addSiteNotificationDesc": {
+    "message": "De \"Notificatie bij Nieuwe Site\" vraagt automatisch om nieuwe sites op te slaan in je kluis wanneer je voor de eerste keer inlogt.",
+    "description": "The \"Add Site Notification\" automatically prompts you to save new sites to your vault whenever you log into them for the first time."
+  },
+  "notificationAddDesc": {
+    "message": "Moet bitwarden dit wachtwoord onthouden?",
+    "description": "Should bitwarden remember this password for you?"
+  },
+  "notificationAddSave": {
+    "message": "Ja, sla nu op",
+    "description": "Yes, Save Now"
   }
 }