config.json in trackler-2.0.6.4

- old
+ new

@@ -27,10 +27,19 @@
 	    "Filtering",
             "Sets"
       ]
 		},
     {
+      "slug": "run-length-encoding",
+      "difficulty": 1,
+      "topics": [
+	    "Algorithms",
+	    "Transforming",
+            "Strings"
+      ]
+		},
+    {
       "slug": "hamming",
       "difficulty": 2,
       "topics": [
         "Strings",
         "Filtering",
@@ -156,9 +165,12 @@
 		},
     {
       "slug": "roman-numerals",
       "difficulty": 1,
       "topics": [
+        "Sequences",
+        "Algorithms",
+        "Transforming"
       ]
 		},
     {
       "slug": "prime-factors",
       "difficulty": 1,