Developing apps: add some more documentation

[sohkai]

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Some "best practices" for both for the contracts and the frontends:

• Frontend
  • How to structure the webworker script and the data it returns
  • Expectations for handling events:
    • Caching assumptions
    • Idempotence
    • Extraneous and undecoded events
    • Always expected to return current state
  • Client APIs available
  • Responsive menu panel control
  • Local identities
  • UX patterns
  • IdentityBadges everywhere
  • Usage of toasts
  • Sidepanel for actions
  • Set up aragon.js for local development
  • aragonUI

  • 54

  • Frontend testing flows (for local and live networks)
• Contracts
  • Style guide: https://github.com/aragon/hack/issues/118
  • Time mocks (and proper usage in tests)
  • Usage of mappings vs. arrays
  • Radspec strings (tone, imperative voice)
• Etc
  • https://github.com/aragon/hack/issues/30

[0xGabi]

Give some context to the aragonAPI - Javascript Quick Start Guide.