[ref] whole: split crate documents: create new crate dubp-common-doc

lib/modules/blockchain/blockchain-dal/src/writers/block.rs

...es/blockchain/blockchain-dal/src/writers/certification.rs

...modules/blockchain/blockchain-dal/src/writers/dividend.rs

...odules/blockchain/blockchain-dal/src/writers/fork_tree.rs

...modules/blockchain/blockchain-dal/src/writers/identity.rs

...modules/blockchain/blockchain-dal/src/writers/requests.rs

...ules/blockchain/blockchain-dal/src/writers/transaction.rs

lib/modules/blockchain/blockchain/Cargo.toml

lib/modules/blockchain/blockchain/src/dbex.rs

lib/modules/blockchain/blockchain/src/dubp/apply/mod.rs

lib/modules/blockchain/blockchain/src/dubp/check/mod.rs

lib/modules/blockchain/blockchain/src/dubp/mod.rs

lib/modules/blockchain/blockchain/src/dunp/queries.rs

lib/modules/blockchain/blockchain/src/dunp/receiver.rs

lib/modules/blockchain/blockchain/src/fork/fork_algo.rs

lib/modules/blockchain/blockchain/src/fork/revert_block.rs

lib/modules/blockchain/blockchain/src/fork/rollback.rs

...odules/blockchain/blockchain/src/fork/stackable_blocks.rs

lib/modules/blockchain/blockchain/src/lib.rs

lib/modules/blockchain/blockchain/src/requests/sent.rs