Backfill missing lab metadata for Instructions/Exercises/M02-Unit 7 Create a Virtual WAN by using Azure Portal.md

Author: LuizMacedo

Instructions/Exercises/M02-Unit 7 Create a Virtual WAN by using Azure Portal.md

@@ -1,7 +1,13 @@
 ---
-Exercise:
-    title: 'M02 - Unit 7 Create a Virtual WAN by using Azure Portal'
-    module: 'Module 02 - Design and implement hybrid networking'
+lab:
+  title: M02-Unit 7 Create a Virtual WAN by using Azure Portal
+  description: In this exercise, you will create a Virtual WAN for Contoso.
+  duration: 65 minutes
+  level: 300
+  islab: true
+  primarytopics:
+  - Azure
+  - Azure Portal
 ---
 
 # M02-Unit 7 Create a Virtual WAN by using Azure Portal