docs: sample index (#153)

Signed-off-by: Attila Mészáros <[email protected]>

Author: csviri

Diff for: docs/sample-index.md

@@ -0,0 +1,11 @@
+# Samples
+
+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 ALL Glue integration test resources [here](https://github.com/java-operator-sdk/kubernetes-glue-operator/blob/main/src/test/resources/glue).
+See ALL Glue Operator integration test resources [here](https://github.com/java-operator-sdk/kubernetes-glue-operator/blob/main/src/test/resources/glueoperator),
+
+See add samples [here](https://github.com/java-operator-sdk/kubernetes-glue-operator/blob/main/src/test/resources/sample).
+
+