Add package extraction notes
Add package extraction notes

License: MIT
Signed-off-by: Lars Gierth <a7f454432b0865c35643e2b81965ab19364a6177@systemli.org>

libp2p/go-libp2p,ipfs/go-libp2p,libp2p/go-libp2p,zippy/go-libp2p