* update to kea-typegen that runs through prettier
* remove posthog-js yalc package regression
* add types to toolbar
* add react-dom and react-redux types
* add types to toolbar react components
* convert a lot of components to typescript
* convert more components to typescript
* fix error
* actions return void
* clean up other Type.ts files as well
* fix last untyped files
* upgrade kea, fix webpack config entrypoint
* add stricter typechecking
* add types for a few more files
* fix bug with nth_child selectors (introduced in this PR, now fixed)
* fix one more type