docs: add readmes and add more clarification

Author: jeffbcross

README.md

@@ -1,12 +1,14 @@
 # Angular Mobile Toolkit
 
 This repo is a series of tools and guides to help build Progressive
-Web Apps.
+Web Apps. All guides are currently based on Angular CLI, and all tools
+should be considered alpha quality. In the future, more guides and recipes
+to cover different tools and use cases will be added here and on
+[mobile.angular.io].
 
 ## Guides
 
-(Note: these guides are in the process of being updated to Angular 2 RC)
-
  1. [Create an installable mobile web app with Angular CLI](./guides/cli-setup.md)
- 2. [Add an app shell component to the App](./guides/app-shell.md)
- 3. [Add basic offline capabilities with Service Worker](./guides/service-worker.md)
+ 2. [Make the App Installable with Web App Manifest](./guides/web-app-manifest.md)
+ 3. [Add an app shell component to the App](./guides/app-shell.md)
+ 4. [Add basic offline capabilities with Service Worker](./guides/service-worker.md)

guides/app-shell.md

@@ -295,4 +295,6 @@ the page is fully rendered.
 Now if we navigate to [localhost:4200/hello] in our browser, the spinner should render when the app shell is displayed,
 and the "App is Fully Rendered" test should render when Angular bootstraps the app.
 
-Next, let's make the app offline-ready by [adding a Service Worker](./service-worker.md).
+---
+
+## [Next, let's make the app offline-ready with Service Worker.](./service-worker.md)

guides/cli-setup.md

@@ -43,4 +43,6 @@ We'll go deeper into these concepts in subsequent guides.
 
 For reference, see the example app created by Angular CLI in this repository at [/hello-mobile](../hello-mobile)
 
-[Next, let's learn how to take advantage of the Web App Manifest.](./web-app-manifest.md)
+---
+
+## [Next, let's learn how to take advantage of the Web App Manifest.](./web-app-manifest.md)

hello-mobile/README.md

@@ -0,0 +1,2 @@
+This directory is an example app created by [Angular CLI](https://cli.angular.io)
+to correspond with the [Progressive Web App guides](../guides/cli-setup.md).