feat: adds new db package with postgres docker image

[anthonydmays]

Signed-off-by: Anthony D. Mays anthony@morganlatimer.com

[Copilot]

Pull Request Overview

This PR introduces a new database package with a PostgreSQL Docker image, adds a Prisma seed script and migration SQL for initializing the database schema, and includes supporting Docker scripts alongside updated documentation.

• Adds a Prisma seed file and a new seeder generator in the Prisma schema
• Provides migration SQL for creating Todos and Logs tables
• Implements Docker Compose configuration and shell scripts for starting, stopping, and checking the PostgreSQL container, with accompanying documentation

Reviewed Changes

Copilot reviewed 15 out of 15 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
lib/javascript/fullstack_demo/prisma/seed.ts	New Prisma seed script creating todos and a log entry
lib/javascript/fullstack_demo/prisma/schema.prisma	Added a new seeder generator configuration
lib/javascript/fullstack_demo/prisma/migrations/20250609182117_initial_schema/migration.sql	Initial migration creating Todos and Logs tables
lib/javascript/fullstack_demo/package.json	Updated dependencies and added a seed command
lib/javascript/fullstack_demo/docs/database-seeding.md	Added documentation for running the seed script
lib/db/stop-postgres.sh	Added script to stop the Postgres container
lib/db/status-postgres.sh	Added script to check the status of the Postgres container
lib/db/start-postgres.sh	Added script to start the Postgres container and wait for readiness
lib/db/package.json	New package file for managing Docker scripts
lib/db/init-scripts/01-init-sample.sql	Sample SQL initialization script for the container
lib/db/docker-compose.yml	Docker Compose configuration for the PostgreSQL container
lib/db/README.md	Documentation on how to use and manage the PostgreSQL Docker setup
lib/db/Dockerfile	Dockerfile for building the PostgreSQL image