Adding synapse to TOC

docs-ref-mapping/reference-unified.yml

@@ -944,6 +944,15 @@
       landingPageType: Service
       children:
       - com.microsoft.azure.management.support*
+  - name: Synapse Analytics
+    uid: azure.java.sdk.landingpage.preview.services.synapse
+    landingPageType: Service
+    items:
+    - name: Resource Management
+      uid: azure.java.sdk.landingpage.services.synapse.ResourceManagement
+      landingPageType: Service
+      children:
+      - com.azure.analytics.synapse*
   - name: Tables
     uid: azure.java.sdk.landingpage.services.tables
     href: ~/docs-ref-services/{moniker}/data-tables-readme.md