Knex compatibility

[e-lobo]

I'm getting the following errors when using with knex.

Im using the database export from the pormise.js file

1. statement.run is undefined. i noticed this when running knex.raw()
2. types are not exported of promise.js so in a ts file import Database from 'libsql/promise'

[penberg]

Promise types were added in https://github.com/tursodatabase/libsql-js/commit/f7d550ff8844a7a0d24abe2dde71c23163609116