tracks/scala/config.json in trackler-2.0.6.14 vs tracks/scala/config.json in trackler-2.0.6.15

@@ -147,15 +147,21 @@
 		},
     {
       "slug": "sublist",
       "difficulty": 1,
       "topics": [
+         "Generics",
+         "Enumerations",
+         "Lists"
       ]
 		},
     {
       "slug": "rna-transcription",
       "difficulty": 1,
       "topics": [
+         "Optional values",
+         "Strings",
+         "Transforming"
       ]
 		},
     {
       "slug": "triangle",
       "difficulty": 1,