Function init_shared_fanout_layout 

pub fn init_shared_fanout_layout<const N: usize>(
    shared: &mut SharedFanoutLayout<N>,
)

Initialize a shared fanout events layout in-place with default v1 capabilities.

This is a convenience wrapper around init_shared_fanout_layout_with_layout_bytes using:

• caps::INDEXBUS_CAP_SUPPORTS_EVENTS | caps::INDEXBUS_CAP_SUPPORTS_FANOUT
• size_of::<SharedFanoutLayout<N>>() as layout_bytes