Merge pull request #31 from humanitec-architecture/adjust-free-trial-link

Update free trial link in README

Author: TobiasBabin

README.md

@@ -73,7 +73,7 @@ By default, the following will be provisioned:
 
 ### Prerequisites
 
-* A Humanitec account with the `Administrator` role in an Organization. Get a [free trial](https://humanitec.com/free-trial?utm_source=github&utm_medium=referral&utm_campaign=aws_refarch_repo) if you are just starting.
+* A Humanitec account with the `Administrator` role in an Organization. Get a [free trial](https://app.humanitec.io/auth/signup) if you are just starting.
 * An AWS account
 * [AWS CLI](https://aws.amazon.com/cli/) installed locally
 * [terraform](https://www.terraform.io/) installed locally