Heroledger Postgres Example

This example demonstrates how to use the Heroledger User model against Postgres using the heromodels::db::postgres backend.

Connects to Postgres with user postgres and password test123 on localhost:5432.
Creates the table and indexes automatically on first use.
Shows basic CRUD and an index lookup on username.

Run it:

cargo run -p heromodels --example heroledger_example

Make sure Postgres is running locally and accessible with the credentials above.