Add Jiangling chase scenario

data/campaign/campaign.json

@@ -133,6 +133,11 @@
       "id": "026_changban_pursuit",
       "title": "Changban Pursuit",
       "path": "res://data/scenarios/026_changban_pursuit.json"
+    },
+    {
+      "id": "027_jiangling_chase",
+      "title": "Jiangling Chase",
+      "path": "res://data/scenarios/027_jiangling_chase.json"
     }
   ]
 }