Fix links to Azure pricing

Author: yousefi-msft

articles/modeling-simulation-workbench/toc.yml

@@ -81,6 +81,8 @@ items:
         href: ./resources-troubleshoot.md
       - name: Known issues
         href: ./troubleshoot-known-issues.md
+      - name: Best practices
+        href: ./best-practices.md
       - name: Business continuity and disaster recovery
         href: ./disaster-recovery.md
       - name: Get support