Valveni DB: a microdatabase

[aarroyoc]

Hi Scryers,

I just wanted to share a small library I made to persist predicates in applications where a traditional database might be an overkill. It tires to mimic the assert/retract semantics but always persisted on files.

Link here: https://github.com/aarroyoc/valveni-db

Any comment is appreciated!