Backfill missing lab metadata for Instructions/Exercises/M03-Unit 5 Provision an ExpressRoute circuit.md

Author: LuizMacedo

Instructions/Exercises/M03-Unit 5 Provision an ExpressRoute circuit.md

@@ -1,8 +1,17 @@
----
-Exercise:
-    title: 'M03 - Unit 5 Provision an ExpressRoute circuit'
-    module: 'Module 03 - Design and implement Azure ExpressRoute'
----
+---
+lab:
+  title: M03-Unit 5 Provision an ExpressRoute circuit
+  description: In this exercise, you will create an ExpressRoute circuit using the
+    Azure portal and the Azure Resource Manager deployment model.
+  duration: 15 minutes
+  level: 300
+  islab: true
+  primarytopics:
+  - Azure
+  - Azure Portal
+  - Azure Resource Manager
+---
+
 # M03-Unit 5 Provision an ExpressRoute circuit
 
 ## Exercise scenario