Merge tag '0.3.0' into develop

Cargo.lock

Cargo.toml

README.md

src/config.rs

src/errors.rs

src/info_storages/file_info_storage.rs

src/notifiers/dir_notifier.rs

src/notifiers/file_notifier.rs

src/notifiers/mod.rs

src/notifiers/models/notification_manager.rs

src/storages/file_storage.rs