Updating with sample metadata.

Author: glibnub

Diff for: README.md

@@ -1,7 +1,15 @@
 ---
-services: functions, logic-apps, event-grid, cosmos-db, sql-database, storage, app-service
-platforms: nodejs, dotnet
-author: gk-8
+languages: []
+products:
+- azure
+- azure-functions
+- azure-logic-apps
+- azure-event-grid
+- azure-cosmos-db
+- azure-sql-database
+- azure-storage
+- azure-app-service
+topic: sample
 ---
 
 # Serverless Microservices reference architecture
@@ -66,4 +74,4 @@ Use the table of contents below for detailed documentation of each component of
 - [Source code structure](https://github.com/Azure-Samples/Serverless-microservices-reference-architecture/blob/master/documentation/source-code-structure.md)
   - [.NET](https://github.com/Azure-Samples/Serverless-microservices-reference-architecture/blob/master/documentation/source-code-structure.md#net)
   - [Node.js](https://github.com/Azure-Samples/Serverless-microservices-reference-architecture/blob/master/documentation/source-code-structure.md#nodejs)
-  - [Web](https://github.com/Azure-Samples/Serverless-microservices-reference-architecture/blob/master/documentation/source-code-structure.md#web)
+  - [Web](https://github.com/Azure-Samples/Serverless-microservices-reference-architecture/blob/master/documentation/source-code-structure.md#web)