docs(readme): adds introduction text for all packages in root readme (#128)

* docs(readme): adds introduction text for all packages in root readme

* Updates some language in the introduction text

README.md

@@ -3,6 +3,34 @@ Fast, adaptive, secure, and timeless design network architecture.
 
 A design architecture for the web that enables real-time updating of user experiences based on changing inputs.
 
+## Packages
+### FAST animation library
+An animation library that simplifies interactions and animations using the Web Animation API. Provides a convenient abstraction layer over the Web Animation API while still allowing full access to it.
+
+### FAST browser extension
+An extension for testing real-world localization, theming, and other production type scenarios in web development. Originally devised for Fluent on Web as a way to visualize prototypes in many different user scenarios. For example, view a website in one of the 194 different localized settings.
+
+### FAST React components base
+A set of base components written in React that deliver quality HTML markup optimized for performance, accessibility, and modern browsers. A large amount of effort in all component frameworks often goes into just this, so delivering these base components as a package that then allows users to add a design language can reap major efficiency benefits in the design process.
+
+### FAST React MSFT
+A set of React components with a Microsoft design system driving the look and feel.
+
+### FAST React development site
+A development site which can be used to create a react environment for a group of react or web components.
+
+### FAST JSS React manager
+A React higher order component (HOC) library for managing component JSS stylesheets.
+
+### FAST permutator
+Creates all possible data permutations from a given JSON Schema, allowing for deep testing or display of complex data sets.
+
+### FAST tslint rules
+Provides [tslint](https://github.com/palantir/tslint) rules for all FAST projects.
+
+### FAST React viewer
+A self contained React component which shows content in an iframe. This can be used to as a method for previewing a React component(s) or an entire page. 
+
 ## Policies
 ### Contributions
 Details including getting start can be found [here](https://github.com/Microsoft/fast-dna/blob/master/CONTRIBUTING.md).
@@ -29,4 +57,4 @@ lerna bootstrap
 ## Contact
 * Submit [for help](https://stackoverflow.com/questions/tagged/fast-dna) 
 * Submit [feature requests](https://github.com/Microsoft/fast-dna/issues/new?labels=feature%20:%20request)
-* Submit [feature questions](https://github.com/Microsoft/fast-dna/issues/new?labels=feature%20:%20question)
+* Submit [feature questions](https://github.com/Microsoft/fast-dna/issues/new?labels=feature%20:%20question)

packages/fast-browser-extensions/README.md

@@ -2,7 +2,7 @@
 # FAST browser extension (Beta)
 An extension for testing real-world localization, theming, and other production type scenarios in web development.
 
-Originally, devised for Fluent on Web, as a way to visualize prototypes in many different user scenarios. For example, view a website in one of the 194 different localized settings.
+Originally devised for Fluent on Web as a way to visualize prototypes in many different user scenarios. For example, view a website in one of the 194 different localized settings.
 
 Initially, focused on Chrome, with a follow up for Edge.