Merge pull request #111237 from julieMSFT/20190413_ria_tocdupsmissing

adding missing toc entries

Author: megvanhuygen

articles/synapse-analytics/toc.yml

@@ -46,6 +46,8 @@
     items:
     - name: Use SQL on-demand to analyze and Synapse Studio to visualize
       href: ./sql/tutorial-data-analyst.md
+- name: Samples
+  href: https://github.com/Azure-Samples/Synapse
 - name: Concepts
   items:
   - name: Workspace
@@ -322,6 +324,10 @@
         href: ./data-integration/linked-service.md
   - name: Manage and monitor
     items:
+    - name: Pipeline runs
+      href: monitoring/how-to-monitor-pipeline-runs.md
+    - name: Spark applications
+      href: monitoring/how-to-monitor-spark-applications.md
     - name: Synapse SQL
       items:
       - name: Monitor Gen2 cache