Update the AppSettings json file and add a file used in development.

Also, remove the web.config file.

modules/openapi-generator/src/main/resources/aspnetcore/appsettings.Development.json

@@ -0,0 +1,9 @@
+{
+  "Logging": {
+    "LogLevel": {
+      "Default": "Debug",
+      "System": "Information",
+      "Microsoft": "Information"
+    }
+  }
+}

modules/openapi-generator/src/main/resources/aspnetcore/appsettings.json

@@ -1,10 +1,8 @@
 {
   "Logging": {
-    "IncludeScopes": false,
     "LogLevel": {
-      "Default": "Information",
-      "System": "Information",
-      "Microsoft": "Information"
+      "Default": "Warning"
     }
-  }
+  },
+  "AllowedHosts": "*"
 }