* feat: better types for <Icon> component
* fix: TypeScript rootDir now that it's checking '../src' files too
* chore: fix eslint 'import/order' & 'import/no-unresolved' issues in www
* fix: build wasn't including types properly
* fix: <Icon/> types still weren't correct
* fix: explicitly define other exports as having 'any' type
* fix: changing www/tsconfig.json is no longer needed
* fix: warning seen when gatsby parses index.d.ts during 'npm run start'
* chore: add type-check step to CI and update typescript configs
* chore: update lib option in tsconfig
* chore: add dom.iterable to lib option in tsconfig
Peter Kulko