IsErrTemplateLoad checks if an error is a ErrTemplateLoad.

LoadTemplateDescription loads the labels from a template file, returns a description string by joining each Label.Name with comma.

LoadTemplateFile loads the label template file by given file name, returns a slice of Label structs.

NormalizeColor normalizes a color string to a 6-character hex code.

ErrTemplateLoad represents a "ErrTemplateLoad" kind of error.

Label represents label information loaded from template.