Lightweight embedded database

The LEDB is an attempt to implement simple but efficient, lightweight but powerful document storage.

The abbreviation LEDB may be treated as an Lightweight Embedded DB, also Low End DB, also Literium Engine DB, also LitE DB, and so on.

Documents storage library (`ledb` crate)

This is a basic library which implements document storage and query functionality.

This crate defines basic types and traits which can be used to turn structs into storable documents.

The crate implements derive macros which helps defining storable documents.

This is an actor which helps interacting with database in applications which builts on the actix actor framework.