config.json in trackler-2.0.6.22

- old
+ new

@@ -494,9 +494,13 @@
 		},
     {
       "slug": "alphametics",
       "difficulty": 1,
       "topics": [
+         "Maps",
+         "Optional values",
+         "Strings",
+         "Parsing"
       ]
 		},
     {
       "slug": "secret-handshake",
       "difficulty": 1,