feat: with initial rust service

Signed-off-by: kjuulh <contact@kjuulh.io>

templates/init-user-db.sh

@@ -0,0 +1,8 @@
+#!bin/bash
+set -e
+
+psql -v ON_ERROR_STOP=1 --username "$POSTGRES_USER" --dbname "$POSTGRES_DB" <<-EOSQL
+	CREATE USER como WITH PASSWORD 'somenotverysecurepassword';
+	CREATE DATABASE cuddle;
+	GRANT ALL PRIVILEGES ON DATABASE cuddle TO cuddle;
+EOSQL