SQLite MPI

As part of Simple Job Tracker I needed to use SQLite, but the open source libraries available had dubious support for transactions and cross platform reliability.

In essence it uses Rust to cross compile a single code base, instead of re-implementing the same code in both Java and Objective C.

It turns SQLites FFI into a JSON RPC so that it can be used over the React Native bridge (the interface between the JS VM process and the native app process).

SMPI is described in much more detail at [sqlitempi.com](https://sqlitempi.com).