Configurable progress reporting

src/gmhc_config_schema.erl

@@ -1,5 +1,5 @@
 -module(gmhc_config_schema).
--vsn("0.4.8").
+-vsn("0.6.0").
 
 -export([ schema/0
         , to_json/0 ]).
@@ -39,6 +39,9 @@ schema() ->
          , pool => pool()
          , pool_admin => pool_admin()
          , workers => workers()
+         , report => str(#{ enum  => [<<"debug">>, <<"progress">>, <<"silent">>]
+                          , default => <<"silent">>
+                          , description => <<"Progress reporting">> })
          }).
 
 pool() ->