Increase log verbosity; add InitialJobState config

Changed ASP.NET Core log level to Information in development.
Added Worker.InitialJobState setting to control job startup state,
defaulting FinalizeDocumentJob to Running. Added explanatory
comments for job state values.

EnvelopeGenerator.ServiceHost/appsettings.Development.json

@@ -2,7 +2,7 @@
   "Logging": {
     "LogLevel": {
       "Default": "Information",
-      "Microsoft.AspNetCore": "Warning"
+      "Microsoft.AspNetCore": "Information"
     }
   }
 }

EnvelopeGenerator.ServiceHost/appsettings.json

@@ -6,7 +6,11 @@
     }
   },
   "Worker": {
-    "DelayMilliseconds": 1000
+    "DelayMilliseconds": 1000,
+    // InitialJobState: State values are 0 = Running, 1 = Stopped. Defaults to 1 (Stopped) if not specified.
+    "InitialJobState": {
+      "FinalizeDocumentJob": 0
+    }
   },
   "AllowedHosts": "*",
   "SupportedCultures": [ "de-DE", "en-US" ],