* file state hash calculation with history on replace and insert

* add state transitions with linear hashing

* add test

* format dune files

* nix format

* delete shared flake

* disable fmt check on flake

* add nix formatter to flake shell

* writer command design

* dune build with shared core lib

* port c lib project inside ocaml

* os specific dynamic link

* fix project name on flake

* fix: cmake cxx version breaking merklecpp

* finish write to disk and update maps func

* add non atomic commit to transaction graph

* merkle tree binding for generating root hash

* disk module refactor

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Co-authored-by: Renan Lopes <renans.l@icloud.com>