Set Test2::Bundle::More exercises as WIP (#560)

Author: m-dango

config.json

@@ -309,7 +309,8 @@
         "practices": [],
         "prerequisites": [],
         "difficulty": 1,
-        "topics": []
+        "topics": [],
+        "status": "wip"
       },
       {
         "slug": "list-ops",
@@ -318,7 +319,8 @@
         "practices": [],
         "prerequisites": [],
         "difficulty": 1,
-        "topics": []
+        "topics": [],
+        "status": "wip"
       },
       {
         "slug": "luhn",
@@ -424,7 +426,8 @@
         "difficulty": 1,
         "topics": [
           "math"
-        ]
+        ],
+        "status": "wip"
       },
       {
         "slug": "proverb",
@@ -572,7 +575,8 @@
         "practices": [],
         "prerequisites": [],
         "difficulty": 1,
-        "topics": []
+        "topics": [],
+        "status": "wip"
       },
       {
         "slug": "space-age",