Add Wu counterstroke scenario

data/campaign/campaign.json

@@ -268,6 +268,11 @@
       "id": "053_jianye_approach",
       "title": "Jianye Approach",
       "path": "res://data/scenarios/053_jianye_approach.json"
+    },
+    {
+      "id": "054_wu_counterstroke",
+      "title": "Wu Counterstroke",
+      "path": "res://data/scenarios/054_wu_counterstroke.json"
     }
   ]
 }