Backfill missing lab metadata for Instructions/Exercises/M06-Unit 7 Deploy and configure Azure Firewall using the Azure portal.md

Author: LuizMacedo

Instructions/Exercises/M06-Unit 7 Deploy and configure Azure Firewall using the Azure portal.md

@@ -1,7 +1,19 @@
 ---
-Exercise:
-    title: 'M06 - Unit 7 Deploy and configure Azure Firewall using the Azure portal'
-    module: 'Module 06 - Design and implement network security '
+lab:
+  title: M06-Unit 7 Deploy and configure Azure Firewall using the Azure portal
+  description: Being part of the Network Security team at Contoso, your next task
+    is to create firewall rules to allow/deny access to certain websites. The following
+    steps walk you through creating a resource group, a virtual network and subnets,
+    and a virtual machine as environment preparation tasks, and then deploying a firewall
+    and firewall policy, configuring default routes and application, network and DNAT
+    rules, and finally testing the firewall.
+  duration: 60 minutes
+  level: 500
+  islab: true
+  primarytopics:
+  - Azure
+  - Azure Firewall
+  - Azure Portal
 ---
 
 # M06-Unit 7 Deploy and configure Azure Firewall using the Azure portal