Update toc.yml

Updating TOC title to "Best practices" from "FHIR best practices"

Author: KendalBond007

articles/healthcare-apis/fhir/toc.yml

@@ -16,7 +16,7 @@ items:
       href: migration-strategies.md
     - name: SMART on FHIR
       href: smart-on-fhir.md
-    - name: FHIR best practices
+    - name: Best practices
       href: fhir-best-practices.md
 - name: Quickstarts
   expanded: true