<!-- Please provide enough information so that others can review your pull request. -->
<!-- Keep pull requests small and focused on a single change. -->
### Summary
Whoopsie
### Test plan
<!-- List the steps with which we can test this change. Provide screenshots if this changes anything visual. -->
* Run docusaurus init
* Add api.md and remove initial files
* Run docusaurus init
* Add api.md and remove initial files
* Add callstack info and remove extra scripts
* Commeent out extra features on home page and Add link to example
* Re Arrange Docs Folder
* add some adjustments
* fix lint
* fix lint
<!-- Please provide enough information so that others can review your pull request. -->
<!-- Keep pull requests small and focused on a single change. -->
### Summary
Existential type (`*`) is long deprecated, let's just use `any` for now.
### Test plan
Added some more Flow typings to `shallow.test.js` that were failing because of existential type.
Michał Pierzchała
