feat: depends on wait condition design

Author: csviri

operator-framework-core/src/main/java/io/javaoperatorsdk/operator/processing/dependent/dependson/WaitTimeoutException.java

@@ -0,0 +1,7 @@
+package io.javaoperatorsdk.operator.processing.dependent.dependson;
+
+import io.javaoperatorsdk.operator.OperatorException;
+
+public class WaitTimeoutException extends OperatorException {
+
+}

operator-framework-core/src/main/java/io/javaoperatorsdk/operator/processing/dependent/dependson/Waiter.java

@@ -0,0 +1,7 @@
+package io.javaoperatorsdk.operator.processing.dependent.dependson;
+
+public interface Waiter<R> {
+
+    void awaitFor(R resource);
+
+}