Add Ma Chao counterstroke scenario

data/campaign/campaign.json

@@ -168,6 +168,11 @@
       "id": "033_tong_pass_vanguard",
       "title": "Tong Pass Vanguard",
       "path": "res://data/scenarios/033_tong_pass_vanguard.json"
+    },
+    {
+      "id": "034_ma_chao_counterstroke",
+      "title": "Ma Chao Counterstroke",
+      "path": "res://data/scenarios/034_ma_chao_counterstroke.json"
     }
   ]
 }