Auto-generate docs for release v0.8.1 [ci skip]

Author: brikis98

circle.yml renamed to .circleci/config.yml

@@ -1,4 +1,4 @@
 # **Note**: This public repo contains the documentation for the private GitHub repo <https://github.com/gruntwork-io/module-security>.
 # We publish the documentation publicly so it turns up in online searches, but to see the source code, you must be a Gruntwork customer.
-# If you're already a Gruntwork customer, the original source for this file is at: <https://github.com/gruntwork-io/module-security/blob/master/circle.yml>.
+# If you're already a Gruntwork customer, the original source for this file is at: <https://github.com/gruntwork-io/module-security/blob/master/.circleci/config.yml>.
 # If you're not a customer, contact us at <[email protected]> or <http://www.gruntwork.io> for info on how to get access!

modules/aws-auth/README.md

@@ -45,6 +45,7 @@ Next, you have to copy and paste each part of that JSON output into the proper e
 export AWS_ACCESS_KEY_ID='AAA'
 export AWS_SECRET_ACCESS_KEY='BBB'
 export AWS_SESSION_TOKEN='CCC'
+export AWS_SESSION_EXPIRATION='DDD'
 ```
 
 If you want to assume an IAM role, you have to make another API call:
@@ -72,6 +73,7 @@ Which you again have to copy into the proper environment variable:
 export AWS_ACCESS_KEY_ID='EEE'
 export AWS_SECRET_ACCESS_KEY='FFF'
 export AWS_SESSION_TOKEN='GGG'
+export AWS_SESSION_EXPIRATION='HHH'
 ```
 
 With this script, all of this can be done in a single command!
@@ -129,8 +131,11 @@ aws-auth --serial-number arn:aws:iam::123456789011:mfa/jondoe --token-code 12345
 export AWS_ACCESS_KEY_ID='AAA'
 export AWS_SECRET_ACCESS_KEY='BBB'
 export AWS_SESSION_TOKEN='CCC'
+export AWS_SESSION_EXPIRATION='DDD'
 ```
 
+**NOTE**: `AWS_SESSION_EXPIRATION` environment variable is not used by any official libraries (i.e. aws cli, boto, etc.). It's only exported for your convenience, for example a wrapper that renews once expired.
+
 To setup your AWS environment variables in one command, all you have to do is eval the result!
 
 ```bash