Mention EEs in README.

execution-environments/README.md

@@ -39,3 +39,5 @@ ansible-navigator --pull-policy never \
 ## Available images
 
 - [test-ee:2.12-with-ansible5](https://quay.io/ansible-community/test-ee:2.12-with-ansible5): [ansible-runner:stable-2.12-latest](https://quay.io/ansible/ansible-runner:stable-2.12-latest) with some extra packages, including ``pip install "ansible>=5,<6" ara``
+- [community-ee-minimal](https://github.com/orgs/ansible-community/packages/container/package/community-ee-minimal): ansible-core with no collections
+- [community-ee-base](https://github.com/orgs/ansible-community/packages/container/package/community-ee-base): ansible-core together with `ansible.posix`, `ansible.utils`, and `ansible.windows`