Add guide

[jasonkuhrt]

Perceived Problem

No guide, unclear what features are, how to use library.

Ideas / Proposed Solution(s)

• [x] Installation
• [x] Example
• [x] Features overview
  • Typesafe Jest lifecycle hooks
  • Typesafe Modular reusable lifecycle hooks via Providers
  • Built in providers: Dir, Run, Browser, Page
• [ ] Features Index
  • General
  • Intuitive input/output pipeline
  • Inline Hooks
  • Typesafe Jest lifecycle .beforeAll
  • Typesafe Jest lifecycle .beforeEach
  • Typesafe Jest lifecycle .afterEach
  • Typesafe Jest lifecycle .afterAll
  • Partial context in after-hooks
  • Typesafe incremental context data
  • Providers (consumption)
  • Typesafe incremental context data
  • Automatic trace logs
  • Providers (authoring)
  • Standard utilities
  • Typesafe upstream context requirements
• [x] Guide
  • [x] Inline hooks (before/after each/all)
  • [x] Providers
• [ ] Q&A
  • [ ] Why do providers need .done() method?