Diesel seems more complex

This project uses sqlite as I can't be bothered to host a postgres instance just for this.

Setup

Install diesel and the diesel CLI tool.
DATABASE_URL=./data/dieseldemo.db diesel setup
We create migrations up/down and fill them with sql to do something and undo something
Alternatively, we can use a rust macro to define schemes that become sql through magic. I like this way better for this project because I learn more diesel and also because it avoids having to deal with incompatibilities of the database types (maybe).
- Run diesel migration generate --diff-schema create_posts

I initially made a bare bones REPL with just regular prints. Eventually, this turned into a demo for CLI libraries too.