Add link on the Compatibility and support landing page (#404)

Author: alexandra5000

docs/reference/compatibility/index.md

@@ -22,4 +22,5 @@ The following pages describe the compatibility and support levels for different
 - [EDOT compared to upstream](edot-vs-upstream.md)
 - [Limitations](limitations.md)
 - [Nomenclature](nomenclature.md)
+- [Data streams comparison](data-streams.md)