docs: add flink and strimzi access operator to the list (#1411)

Author: csviri

README.md

@@ -58,3 +58,6 @@ project, as shown below:
   Operators in Java with the Java Operator SDK" blog series](https://developers.redhat.com/articles/2022/02/15/write-kubernetes-java-java-operator-sdk#).
 - [Keycloak operator](https://github.com/keycloak/keycloak/tree/main/operator): the official
   Keycloak operator, built with Quarkus and JOSDK.
+- [Apache Flink Kubernetes operator](https://github.com/apache/flink-kubernetes-operator) is the market lead among Flink operators.
+- [Strimzi Access operator](https://github.com/strimzi/kafka-access-operator). While the core Strimzi operator development predates  
+  JOSDK, but new components like the Access operator is using the framework.