Added Dutch localization: thanks @Volluta for the translation.

notify-link-clicks-i18n/_locales/de/messages.json

@@ -1,17 +1,21 @@
 {
   "extensionName": {
-    "message": "Meine Beispielerweiterung"
+    "message": "Meine Beispielerweiterung",
+    "description": "Name of the extension."
   },
 
   "extensionDescription": {
     "message": "Benachrichtigt den Benutzer über Linkklicks",
+    "description": "Description of the extension."
   },
 
   "notificationTitle": {
     "message": "Klickbenachrichtigung",
+    "description": "Title of the click notification."
   },
 
   "notificationContent": {
     "message": "Du hast $1 angeklickt",
+    "description": "Tells the user which link they clicked: the $1 placeholder is the url."
   }
 }

notify-link-clicks-i18n/_locales/en/messages.json

@@ -15,7 +15,7 @@
   },
 
   "notificationContent": {
-    "message": "You clicked $1",
+    "message": "You clicked $1.",
     "description": "Tells the user which link they clicked: the $1 placeholder is the url."
   }
 }

notify-link-clicks-i18n/_locales/nl/messages.json

@@ -0,0 +1,21 @@
+{
+  "extensionName": {
+    "message": "Meld klikken op hyperlinks",
+    "description": "Name of the extension."
+  },
+
+  "extensionDescription": {
+    "message": "Toon een melding wanneer een gebruiker op hyperlinks klikt.",
+    "description": "Description of the extension."
+  },
+
+  "notificationTitle": {
+    "message": "Klikmelding",
+    "description": "Title of the click notification."
+  },
+
+  "notificationContent": {
+    "message": "U klikte op $1",
+    "description": "Tells the user which link they clicked: the $1 placeholder is the url."
+  }
+}