config.json in trackler-2.0.5.15

- old
+ new

@@ -21,9 +21,15 @@
       "difficulty": 1,
       "topics": [
       ]
     },
     {
+      "slug": "run-length-encoding",
+      "difficulty": 1,
+      "topics": [
+      ]
+    },
+    {
       "slug": "rna-transcription",
       "difficulty": 1,
       "topics": [
       ]
     },