Add a new narrative forecast module and remove the unimplemented daily forecast stub

internal/report/daily_report.go

@@ -41,6 +41,7 @@ func dailyTodayModules() []module.ConfigItem {
 	return moduleItems(
 		module.Metadata,
 		module.CurrentConditions,
+		module.NarrativeForecast,
 		module.DerivedDailySummary,
 		module.DerivedDaypartSummaries,
 		module.PrecipTiming,