Change project architecture (no code change)

lib/core/Cargo.toml

lib/core/change_conf.rs

lib/core/cli/dbex.rs

lib/core/cli/en.yml

lib/core/cli/keys.rs

lib/core/cli/mod.rs

lib/core/cli/modules.rs

lib/core/cli/reset.rs

lib/core/cli/start.rs

lib/core/cli/sync.rs

lib/core/lib.rs

lib/core/router.rs

lib/crypto/Cargo.toml

lib/crypto/README.md

lib/crypto/src/hashs/mod.rs

lib/crypto/src/keys/bin_signable.rs

lib/crypto/src/keys/ed25519.rs

lib/crypto/src/keys/mod.rs

lib/crypto/src/keys/text_signable.rs

lib/crypto/src/lib.rs