config.json in trackler-2.1.0.6

- old
+ new

@@ -157,22 +157,34 @@
         "Text formatting",
         "Recursion"
       ]
     },
     {
-      "difficulty": 1,
+      "difficulty": 4,
       "slug": "pascals-triangle",
-      "topics": []
+      "topics": [
+        "Arrays",
+        "Mathematics"
+      ]
     },
     {
-      "difficulty": 1,
+      "difficulty": 3,
       "slug": "series",
-      "topics": []
+      "topics": [
+        "Strings",
+        "Arrays",
+        "Refactoring"
+      ]
     },
     {
-      "difficulty": 1,
+      "difficulty": 5,
       "slug": "queen-attack",
-      "topics": []
+      "topics": [
+        "Booleans",
+        "Logic",
+        "Games",
+        "Errors"
+      ]
     },
     {
       "difficulty": 2,
       "slug": "grains",
       "topics": [