add some points to doc for later expanding.
add some points to doc for later expanding.

tuomassiren/obelisk,libmetrocoin/libmetrocoin-server,BWallet/obelisk,tuomassiren/libbitcoin-server,tuomassiren/libbitcoin-server,tuomassiren/libbitcoin-server,libmetrocoin/libmetrocoin-server,BWallet/obelisk,tuomassiren/obelisk,RojavaCrypto/libbitcoin-server,tuomassiren/obelisk,RojavaCrypto/libbitcoin-server,BWallet/obelisk,RojavaCrypto/libbitcoin-server,libmetrocoin/libmetrocoin-server