Add front matter to WAF best practices and lab documents to disable Liquid rendering

Author: CalinL

docs/09-best-practices-waf.md

@@ -1,3 +1,7 @@
+---
+render_with_liquid: false
+---
+
 # GitHub Well-Architected Framework: Best Practices and Principles
 
 ## Overview

labs/lab02.md

@@ -1,3 +1,7 @@
+---
+render_with_liquid: false
+---
+
 # 2 - Managing GitHub Actions settings for a repository
 In this lab you will restrict the usage of Actions in your own repository
 > Duration: 5-10 minutes

labs/lab05.md

@@ -1,3 +1,7 @@
+---
+render_with_liquid: false
+---
+
 # 5 - GitHub API - REST API & GraphQL API
 In this lab you will create a workflow that calls GitHub APIs using REST API and GraphQL API.
 > Duration: 15-20 minutes