Usage scenario series #1: build and publish first 6 flagship tutorials + repos

[jarvislanou]

Goal

Produce first 6 canonical usage-scenario posts, each with full working repo examples.

Candidate scenarios

1. Single-source docs for OSS README + website docs
2. Training/course material generation with reusable includes
3. Internal engineering handbook automation
4. Release notes pipeline with executable snippets
5. API docs augmentation workflow
6. AI assistant + Hype authoring workflow

Acceptance criteria

• 6 blog drafts (or published) with repo links
• 6 runnable companion repos under gopherguides org
• Each includes quickstart + screenshot/GIF

[corylanou]

All 6 flagship tutorials published: single-source docs, deploying with Docker, training materials, engineering handbook, release notes pipeline, and AI-assisted authoring.