changed amy to any

Fix typo

explictly seems like a typo for explicitly

 - babel-preset-react-app@5.0.4
 - confusing-browser-globals@1.0.4
 - create-react-app@2.0.4
 - eslint-config-react-app@3.0.4
 - react-dev-utils@6.0.5
 - react-error-overlay@5.0.5
 - react-scripts@2.0.5

* Added note on update to .flowconfig for .scss imports

Added a note aimed at Flow users on how to get Flow to recognize the .scss imports.

* Mentioned .sass extension in note, added backticks

Current instructions for running using HTTPS in a PowerShell prompt are incorrect and do not work on Windows 10 v1809

* Fix click-to-open on Windows

* Oops

* use the correct dependency for babel-plugin-dynamic-import-node

* Update package.json

Update peer dependency versions in README.

Add some front page content

Tweaks 

- Copy edits for consistency
- Remove <br>'s for readability

Should all headers be Title Case? I see `Creating an App` but `Installing A Dependency`. I tend to use https://titlecaseconverter.com/, thoughts? 

Rename to match page "About The Docs"

These seem redundant, consider just "Getting Started"? Add more links?