adding the adopters file (#190)

* adding the adopters file readme mention

* fixing readme adopters link

ADOPTERS.md

@@ -0,0 +1,14 @@
+# Who is using Crossplane Blueprints for Amazon EKS?
+
+Crossplane Blueprints for Amazon EKS has a variety of users and use cases to configure and manage complete Amazon EKS clusters that are bootstrapped with Terraform or eksctl. Many customers want to learn from others who have already implemented Crossplane Blueprints in their environments.
+
+The following is a self-reported list of users to help identify adoption and points of contact.
+
+## Add yourself
+
+If you are using Crossplane Blueprints for Amazon EKS, please consider adding yourself as a user by opening a pull request to this file.
+
+## Adopters (Alphabetical)
+
+| Organization | Description | Contacts | Link |
+| --- | --- | --- | --- |

README.md

@@ -80,6 +80,10 @@ Crossplane can be configured to publish secrets external to the cluster in which
 ## Debugging
 For debugging Compositions, CompositionResourceDefinitions, etc, [please see the debugging guide](doc/debugging.md).
 
+## Adopters
+
+A list of publicly known users of the Crossplane Blueprints for Amazon EKS project can be found in [ADOPTERS.md](ADOPTERS.md).
+
 ## Security
 
 See [CONTRIBUTING](CONTRIBUTING.md#security-issue-notifications) for more information.