Add Fancheng relief scenario

data/campaign/campaign.json

@@ -223,6 +223,11 @@
       "id": "044_ruxu_crossing",
       "title": "Ruxu Crossing",
       "path": "res://data/scenarios/044_ruxu_crossing.json"
+    },
+    {
+      "id": "045_fancheng_relief",
+      "title": "Fancheng Relief",
+      "path": "res://data/scenarios/045_fancheng_relief.json"
     }
   ]
 }