Add Arabic translation folder for Themator

themator/ar/startpage.json

@@ -0,0 +1,12 @@
+{
+    "startpage": {
+        "title": "Museum-Digital :: Topics",
+        "headertitle": "Topics",
+        "languages": "Languages",
+        "german": "German",
+        "english": "English",
+        "for_example": "For Example ...",
+        "all_topics": "All Topics",
+        "about": "Topics, Stories, and Exhibitions at museum-digital."
+    }
+}