Scan for bluetooth devices in the area

    CLI Example:

    .. code-block:: bash

        salt '*' bluetooth.scan

def scan():
    '''
    Scan for bluetooth devices in the area

    CLI Example:

    .. code-block:: bash

        salt '*' bluetooth.scan
    '''
    ret = []
    devices = bluetooth.discover_devices(lookup_names=True)
    for device in devices:
        ret.append({device[0]: device[1]})
    return ret