Add a dependency.

    Examples:

    $ django add dynamic-rest==1.5.0

    + dynamic-rest == 1.5.0

def add(addon, dev, interactive):
    """Add a dependency.

    Examples:

    $ django add dynamic-rest==1.5.0

    + dynamic-rest == 1.5.0
    """
    application = get_current_application()
    application.add(
        addon,
        dev=dev,
        interactive=interactive
    )