Added 600 Release (#1792)

Author: Meryem1425

docs/_includes/docs-healthcare-pagination.html

@@ -10,6 +10,7 @@
     </li>
 </ul>
 <ul class="pagination owl-carousel pagination_big">
+    <li><a href="release_notes_6_0_0">6.0.0</a></li>
     <li><a href="release_notes_5_5_3">5.5.3</a></li>
     <li><a href="release_notes_5_5_2">5.5.2</a></li>
     <li><a href="release_notes_5_5_1">5.5.1</a></li>

docs/en/licensed_version_compatibility.md

@@ -16,6 +16,7 @@ sidebar:
 {:.table-model-big}
 | Spark NLP for Healthcare	| Spark NLP (Public) |
 |---------------------------|--------------------|
+| 6.0.0                     | 6.0.0              |
 | 5.5.3                     | 5.5.3              |
 | 5.5.2                     | 5.5.2              |
 | 5.5.1                     | 5.5.1              |