v2 UISchema Generator

[doneill]

Description

Initial implementation for v2 UISchema generation

Fixes

#23

Proposed Changes

• Initial v2 scaffolding impl and tests
• Update README
• Add arch diagram
• Update tsconfig

Testing

• Run yarn test
  • Verify all tests pass
• Build and link library in React Native app

# build
npm run build

# link
yarn link

# In React Native client app, e.g. EarthRanger
yarn remove @earthranger/react-native-jsonforms-formatter
yarn link @earthranger/react-native-jsonforms-formatter