[feat] store peers and heads in rust dbs

app/lib/dal/fileDAL.ts

app/modules/ws2p/lib/WS2PCluster.ts

neon/native/server.d.ts

neon/native/src/server.rs

rust-libs/duniter-dbs/src/databases.rs

rust-libs/duniter-dbs/src/databases/cm_v1.rs

rust-libs/duniter-dbs/src/databases/dunp_v1.rs

rust-libs/duniter-dbs/src/keys.rs

rust-libs/duniter-dbs/src/keys/dunp_node_id.rs

rust-libs/duniter-dbs/src/lib.rs

rust-libs/duniter-dbs/src/open_dbs.rs

rust-libs/duniter-dbs/src/values.rs

rust-libs/duniter-dbs/src/values/dunp_head.rs

rust-libs/duniter-server/src/lib.rs

test/dal/basic-dal-tests.ts