Change project architecture (no code change)

lib/dal/writers/mod.rs

lib/dal/writers/requests.rs

lib/dal/writers/transaction.rs

lib/documents/Cargo.toml

lib/documents/README.md

lib/documents/src/blockstamp.rs

lib/documents/src/currencies_codes.rs

lib/documents/src/documents_grammar.pest

lib/documents/src/lib.rs

lib/documents/src/v10/block.rs

lib/documents/src/v10/certification.rs

lib/documents/src/v10/identity.rs

lib/documents/src/v10/membership.rs

lib/documents/src/v10/mod.rs

lib/documents/src/v10/revocation.rs

lib/documents/src/v10/transaction.rs

lib/message/Cargo.toml

lib/message/lib.rs

lib/module/Cargo.toml

lib/module/clippy.toml