Configure postgres for `psql` use after install via homebrew

README.sql

-- Substitue my name with your OS user's name
-- for both login and database creation

-- connect to the database
psql -U kyle.pekosh -d postgres

-- Create the postgres role and your database
CREATE ROLE postgres;
ALTER ROLE postgres WITH CREATEROLE;
CREATE DATABASE "kyle.pekosh";

-- Now, just `psql` should work.