Add setting of EnableReasoning

Author: Oceania2018

src/WebStarter/appsettings.json

@@ -15,7 +15,7 @@
 
   "Router": {
     "RouterId": "01fcc3e5-9af7-49e6-ad7a-a760bd12dc4a",
-    "ReasonerId": "03d3fb55-9ada-423b-a6b4-f9ecddf4b26e"
+    "EnableReasoning": false
   },
 
   "Agent": {