updated readme

README.md

@@ -1,4 +1,20 @@
-linode_google_dns
-=================
+# linode_google_dns
 
-Simple sinatra app for adding google dns records to your linode domains
+Simple sinatra app for adding Google Apps' MX DNS Records to your linode domains
+
+## Usage
+
+* Get your `Linode API Key` from [https://manager.linode.com/profile/index#apikey](https://manager.linode.com/profile/index#apikey)
+
+* Visit [https://linodegoogledns.heroku.com/`Linode API Key`](https://linodegoogledns.heroku.com/)
+
+* Click on the domain you want to add Google MX Records to
+
+### TODO
+
+* Tests
+* Linode Login instead of key
+* Error Catching
+* Avoid Duplicate Records
+* Offer Backups
+* Show if domain is already configured etc.