[feat] server: store current block in db cm_v1

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

rust-libs/duniter-dbs-write-ops/src/apply_block.rs

rust-libs/duniter-dbs-write-ops/src/cm.rs

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

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

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

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

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

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

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

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

rust-libs/modules/gva/gql/src/queries/gen_tx.rs

rust-libs/modules/gva/gql/src/queries/uds.rs

rust-libs/modules/gva/gql/src/queries/utxos_of_script.rs