Add lab-setup.ps1 to README

Author: benpiper

vpc/lab/README.md

@@ -1,6 +1,7 @@
 This is a set of related scripts you can use to create and configure VPCs to do anything a traditional network can do.
 
-Follow the scripts in the following order:  
+Follow the scripts in the following order:
+[lab-setup.ps1](lab-setup.ps1)
 [vpc-creation.ps1](vpc-creation.ps1)  
 [vpc-peering.ps1](vpc-peering.ps1)  
 [vpn.ps1](vpn.ps1)  
@@ -10,7 +11,7 @@ Follow the scripts in the following order:
 ## [lab-setup.ps1](lab-setup.ps1)
 
 Sets AWS credentials from credentials.ps1 file.
-Sets AWS region.
+Sets AWS region to us-east-1.
 
 ## [vpc-creation.ps1](vpc-creation.ps1)