Fix readme (#60)

Author: goruha

README.md

@@ -17,17 +17,18 @@ description: |-
   > Older versions of our reference architecture have an`eks-iam` component that needs to be updated to provide sufficient
   > IAM roles to allow pods to pull from ECR repos
 
+
   </details>
 usage: |-
-  ## Usage
-
   **Stack Level**: Regional
 
   Here's an example snippet for how to use this component. This component is normally only applied once as the resources
   it creates are globally accessible, but you may want to create ECRs in multiple regions for redundancy. This is
   typically provisioned via the stack for the "artifact" account (typically `auto`, `artifact`, or `corp`) in the primary
   region.
 
+
+  ```yaml
   components:
     terraform:
       ecr:
@@ -67,6 +68,8 @@ usage: |-
 
   <!-- prettier-ignore-start -->
   <!-- prettier-ignore-end -->
+
+
 references:
   - name: "Decide How to distribute Docker Images"
     description: ""