Added CF launch button and link

Author: aaronkao

README.md

@@ -20,27 +20,25 @@ This workshop has several lab exercises that you can complete to extend the func
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 ### Let's Begin! Launch the CloudFormation Stack
-1\. To begin this workshop, login to the AWS Management Console and navigate to the CloudFormation service. Make sure you are in the us-west-2 (Oregon) region. This is displayed in the upper-right side of the black navigation bar in the Management Console. If you are not in Oregon, click the region and change it to us-west-2 (Oregon).
+1\. To begin this workshop, click the below 'Deploy to AWS' link. 
 
-2\. Copy the CloudFormation template from the GitHub repo to your local machine. This template is named **CreateZombieWorkshop.json**. You can download it [here](https://s3-us-west-2.amazonaws.com/reinvent-wrk305-2015/CreateZombieWorkshop.json). 
+[![Launch Zombie Workshop Stack into Oregon with CloudFormation](/Images/deploy-to-aws.png)](https://console.aws.amazon.com/cloudformation/home?region=us-west-2#/stacks/new?stackName=ZombieWorkshopStack&templateURL=https://s3-us-west-2.amazonaws.com/reinvent-wrk305-2015/CreateZombieWorkshop.json)
 
-3\. Click the blue **Create Stack** button. On the "Select Template" page, click **Browse**, and upload the template you downloaded in the previous step. Click **Next**.
+2\. On the "Specify Details" page, your Stack is prepopulated with the name "ZombieWorkshopStack".
 
-4\. On the "Specify Details" page, give your Stack a name, such as "ZombieWorkshopStack".
+3\. For the parameter section, if you want to develop with a team and would like to create IAM Users in your account to grant them access, then specify how many teammates/users you want to be created in the **NumberOfIAMUsers** box. Otherwise, leave it defaulted to 0 and no additional users will be created. Click **Next**.
 
-5\. For the parameter section, if you want to develop with a team and would like to create IAM Users in your account to grant them access, then specify how many teammates/users you want to be created in the **NumberOfIAMUsers** box. Otherwise, leave it defaulted to 0 and no additional users will be created. Click **Next**.
+4\. On the "Options" page, leave the defaults and click **Next**.
 
-6\. On the "Options" page, leave the defaults and click **Next**.
+5\. On the "Review" page, verify your selections, then scroll to the bottom and acknowledge that your Stack will launch IAM resources for you. Then click **Create** to launch your stack. 
 
-7\. On the "Review" page, verify your selections, then scroll to the bottom and acknowledge that your Stack will launch IAM resources for you. Then click **Create** to launch your stack. 
+6\. Your stack will take about 3 minutes to launch and you can track its progress in the "Events" tab. When it is done creating, the status will change to "CREATE_COMPLETE".
 
-8\. Your stack will take about 3 minutes to launch and you can track its progress in the "Events" tab. When it is done creating, the status will change to "CREATE_COMPLETE".
+7\. Click the "Outputs" tab and click the link for "MyChatRoomURL". This should open your chat application in a new tab. 
 
-9\. Click the "Outputs" tab and click the link for "MyChatRoomURL". This should open your chat application in a new tab. 
+8\. In your chat application, type your name (or a fun username!) in the "User Name" field, then begin typing messages in the textbox at the bottom of the screen where it displays "Enter a message and save humanity".
 
-10\. In your chat application, type your name (or a fun username!) in the "User Name" field, then begin typing messages in the textbox at the bottom of the screen where it displays "Enter a message and save humanity".
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-11\. Your messages should begin showing up in the central chat pane window. Feel free to share the URL with your teammates, have them login and begin chatting as a group! If building this solution solo, you can logout and log back in with a different User Name to simulate multiple users.
+9\. Your messages should begin showing up in the central chat pane window. Feel free to share the URL with your teammates, have them login and begin chatting as a group! If building this solution solo, you can logout and log back in with a different User Name to simulate multiple users.
 
 **The baseline chat application is now configured and working! There is still important functionality missing and the Lambda Signal Corps needs you to build it out...so get started below!**
 
@@ -513,4 +511,4 @@ In this section you will configure a Lambda function that triggers when messages
 
 7\. Once those resources have been deleted, go to the CloudFormation console and find the Stack that you launched in the beginning of the workshop, select it, and click **Delete Stack**. When the stack has been successfully deleted, it should no longer display in the list of Active stacks. If you run into any issues deleting stacks, please notify a workshop instructor or contact [AWS Support](https://console.aws.amazon.com/support/home) for additional assistance. 
 
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