Columns(IEnumerable<IRenderable>) Constructor
    Initializes a new instance of the 
        Columns class.
    public Columns(IEnumerable<IRenderable> items)
        - Namespace
 - Spectre
.Console  - Containing Type
 - Columns
 
Parameters
- 
                            IEnumerable
<IRenderable> items  - The items to render as columns.