cargo run --example announce_peer <40 bytes hex info_hash>cargo run --example get_peers <40 bytes hex info_hash>cargo run --example put_immutable <string>cargo run --example get_immutable <40 bytes hex target from put_immutable>cargo run --example put_mutable <64 bytes hex secret_key> <string>cargo run --example get_mutable <40 bytes hex target from put_mutable>cargo run --example custom_servercargo run --example measure_dht