Add Red Cliffs fleet scenario

data/campaign/campaign.json

@@ -143,6 +143,11 @@
       "id": "028_xiakou_pursuit",
       "title": "Xiakou Pursuit",
       "path": "res://data/scenarios/028_xiakou_pursuit.json"
+    },
+    {
+      "id": "029_red_cliffs_fleet",
+      "title": "Red Cliffs Fleet",
+      "path": "res://data/scenarios/029_red_cliffs_fleet.json"
     }
   ]
 }