Update sample-index.md

Author: csviri

docs/sample-index.md

@@ -3,12 +3,12 @@
 This is a selected list of `Glues` and `GlueOperators`, all of them are tested either by an
 integration test of end-to-end test.
 
+See main samples [here](https://github.com/java-operator-sdk/kubernetes-glue-operator/blob/main/src/test/resources/sample).
+
 See ALL `Glue` integration test resources [here](https://github.com/java-operator-sdk/kubernetes-glue-operator/blob/main/src/test/resources/glue).
 
 See ALL `GlueOperator` integration test resources [here](https://github.com/java-operator-sdk/kubernetes-glue-operator/blob/main/src/test/resources/glueoperator),
 
-See additional samples [here](https://github.com/java-operator-sdk/kubernetes-glue-operator/blob/main/src/test/resources/sample).
-
 ## Cherry-picked samples
 
 TODO