Define staging settings

Author: ccheetham

src/NetCoreToolService/appsettings.Staging.json

@@ -0,0 +1,8 @@
+{
+  "Logging": {
+    "LogLevel": {
+      "Steeltoe.Common.Utils": "Debug",
+      "Steeltoe.NetCoreToolService": "Debug"
+    }
+  }
+}