update lang files for counters

lang/de.json

@@ -15,5 +15,10 @@
 
     "logged-in-already-title": "Sie sind bereits eingeloggt.",
     "logged-in-already-text": "Sie können sich nicht erneut einloggen.",
-    "home": "Zur Startseite"
+
+    "home": "Zur Startseite",
+
+    "filter-total": "Gesamt",
+    "filter-visible": "Sichtbar",
+    "filter-none": "Der Filter hat alle Elemente ausgeblendet."
 }
\ No newline at end of file

lang/en.json

@@ -15,6 +15,11 @@
 
     "logged-in-already-title": "You are logged in already.",
     "logged-in-already-text": "You cannot login again.",
-    "home": "Go to homepage"
+
+    "home": "Go to homepage",
+
+    "filter-total": "Total: ",
+    "filter-visible": "Visible",
+    "filter-none": "The filter hides all elements."
 
 }
\ No newline at end of file