New translations en.json (Swedish)

i18n/sv.json

@@ -217,5 +217,5 @@
     "Error parsing YOURLS response.": "Error parsing YOURLS response.",
     "This secret message can only be displayed once. Would you like to see it now?": "This secret message can only be displayed once. Would you like to see it now?",
     "Yes, see it": "Yes, see it",
-    "Dark Mode": "Dark Mode"
+    "Dark Mode": "Mörkt Läge"
 }