chore(docs): cleanup of introduction

* chore(docs): cleanup of introduction

* chore(readme): add hitchhikers guide to the readme

* Several minor edits...

* Remove (in no particular order)

Author: mxstbr

README.md

@@ -109,7 +109,8 @@ Now you're ready to rumble!
 
 ## Documentation
 
-- [Intro](docs/general): What's included and why
+- [**The Hitchhikers Guide to `react-boilerplate`**](docs/general/introduction.md): An introduction for newcomers to this boilerplate.
+- [Overview](docs/general): A short overview of the included tools
 - [**Commands**](docs/general/commands.md): Getting the most out of this boilerplate
 - [Testing](docs/testing): How to work with the built-in test harness
 - [Styling](docs/css): How to work with the CSS tooling