Merge tag '0.4.0' into develop

Cargo.lock

Cargo.toml

src/config.rs

src/info_storages/models/file_info.rs

src/main.rs

src/notifiers/models/message_format.rs

src/notifiers/models/notification_manager.rs

src/protocol/core/routes.rs

src/protocol/creation/routes.rs

src/protocol/extensions.rs

src/protocol/getting/routes.rs

src/protocol/termination/routes.rs

src/state.rs

src/storages/file_storage.rs

src/storages/models/storage.rs

src/utils/headers.rs