Add link to bugsnag.com in readme

Update README.md

README.md

@@ -4,6 +4,8 @@
 Automatically detect synchronous and asynchronous errors in your Node.js apps,
 collect diagnostic information, and receive notifications immediately.
 
+Learn more about [error reporting](https://www.bugsnag.com/) with Bugsnag.
+
 ## Features
 
 * Automatically report synchronous and asynchronous errors
@@ -13,21 +15,21 @@ collect diagnostic information, and receive notifications immediately.
 
 ## Getting started
 
-1. [Create a Bugsnag account](https://bugsnag.com)
+1. [Create a Bugsnag account](https://www.bugsnag.com)
 2. Complete the instructions in the integration guide for your framework:
-    * [Express or Connect](http://docs.bugsnag.com/platforms/nodejs/express)
-    * [Koa](http://docs.bugsnag.com/platforms/nodejs/koa)
-    * [Restify](http://docs.bugsnag.com/platforms/nodejs/restify)
-    * [Other Node.js apps](http://docs.bugsnag.com/platforms/nodejs/other)
+    * [Express or Connect](https://docs.bugsnag.com/platforms/nodejs/express)
+    * [Koa](https://docs.bugsnag.com/platforms/nodejs/koa)
+    * [Restify](https://docs.bugsnag.com/platforms/nodejs/restify)
+    * [Other Node.js apps](https://docs.bugsnag.com/platforms/nodejs/other)
 3. Relax!
 
 ## Support
 
 * Read the configuration reference:
-    * [Express or Connect](http://docs.bugsnag.com/platforms/nodejs/express/configuration-options)
-    * [Koa](http://docs.bugsnag.com/platforms/nodejs/koa/configuration-options)
-    * [Restify](http://docs.bugsnag.com/platforms/nodejs/restify/configuration-options)
-    * [Other Node.js apps](http://docs.bugsnag.com/platforms/nodejs/other/configuration-options)
+    * [Express or Connect](https://docs.bugsnag.com/platforms/nodejs/express/configuration-options)
+    * [Koa](https://docs.bugsnag.com/platforms/nodejs/koa/configuration-options)
+    * [Restify](https://docs.bugsnag.com/platforms/nodejs/restify/configuration-options)
+    * [Other Node.js apps](https://docs.bugsnag.com/platforms/nodejs/other/configuration-options)
 * [Search open and closed issues](https://github.com/bugsnag/bugsnag-node/issues?utf8=✓&q=is%3Aissue) for similar problems
 * [Report a bug or request a feature](https://github.com/bugsnag/bugsnag-node/issues/new)