config.json in trackler-2.0.8.24

- old
+ new

@@ -32,9 +32,15 @@
           "logic",
           "text formatting"
       ]
     },
     {
+      "slug": "isogram",
+      "difficulty": 1,
+      "topics": [
+      ]
+    },
+    {
       "slug": "pangram",
       "difficulty": 1,
       "topics": [
           "control-flow (loops)",
           "control-flow (if-else statements)",