Add help strings from h-r

modules/hackernews/settings.go

@@ -10,8 +10,8 @@ const defaultTitle = "HackerNews"
 type Settings struct {
 	common *cfg.Common
 
-	numberOfStories int
-	storyType       string
+	numberOfStories int    `help:"Defines number of stories to be displayed. Default is 10" optional:"true"`
+	storyType       string `help:"Category of story to see" values:"new, top, job, ask" optional:"true"`
 }
 
 func NewSettingsFromYAML(name string, ymlConfig *config.Config, globalConfig *config.Config) *Settings {