config.json in trackler-2.0.6.19

- old
+ new

@@ -84,22 +84,31 @@
 		},
     {
       "slug": "robot-name",
       "difficulty": 1,
       "topics": [
+         "Strings",
+         "Randomness" 
       ]
 		},
     {
       "slug": "leap",
       "difficulty": 1,
       "topics": [
+         "Integers",
+         "Mathematics"
       ]
 		},
     {
       "slug": "etl",
       "difficulty": 1,
       "topics": [
+         "Lists",
+         "Maps",
+         "Sequences",
+         "Strings",
+         "Transforming"
       ]
 		},
     {
       "slug": "meetup",
       "difficulty": 1,
@@ -117,10 +126,12 @@
 		},
     {
       "slug": "grains",
       "difficulty": 1,
       "topics": [
+         "Optional values",
+         "Mathematics"
       ]
 		},
     {
       "slug": "gigasecond",
       "difficulty": 1,
@@ -132,21 +143,28 @@
 		},
     {
       "slug": "scrabble-score",
       "difficulty": 1,
       "topics": [
+         "Strings",
+         "Transforming"
       ]
 		},
     {
       "slug": "difference-of-squares",
       "difficulty": 1,
       "topics": [
+         "Integers",
+         "Mathematics"
       ]
 		},
     {
       "slug": "accumulate",
       "difficulty": 1,
       "topics": [
+         "Generics",
+         "Lists",
+         "Transforming"
       ]
 		},
     {
       "slug": "sublist",
       "difficulty": 1,