config.json in trackler-2.0.6.41

- old
+ new

@@ -216,9 +216,18 @@
         "variable argument lists",
         "pointers"
      ]
   }, {
      "difficulty": 1,
+     "slug": "triangle",
+     "topics": [
+	"control-flow (if-else statements)",
+	"Booleans",
+	"Structs",
+	"Mathematics"
+	       ]
+  }, {
+     "difficulty": 1,
      "slug": "binary",
      "topics": [
         "control-flow (loops)",
         "control-flow (if-statements)"
 	]