Add readme to serverless blueprints folder

blueprints/gke/README.md

@@ -1,6 +1,6 @@
-# GKE and Serverless blueprints
+# GKE blueprints
 
-The blueprints in this folder show implement **end-to-end scenarios** for GKE or Serveless topologies that show how to automate common configurations or leverage specific products.
+The blueprints in this folder show implement **end-to-end scenarios** for GKE topologies that show how to automate common configurations or leverage specific products.
 
 They are meant to be used as minimal but complete starting points to create actual infrastructure, and as playgrounds to experiment with Google Cloud features.
 

blueprints/serverless/README.md

@@ -0,0 +1,12 @@
+# Serverless blueprints
+
+The blueprints in this folder show implement **end-to-end scenarios** for Serveless topologies that show how to automate common configurations or leverage specific products.
+
+They are meant to be used as minimal but complete starting points to create actual infrastructure, and as playgrounds to experiment with Google Cloud features.
+
+## Blueprints
+
+### Multi-region deployments for API Gateway
+
+<a href="./api-gateway/" title="Multi-region deployments for API Gateway"><img src="./api-gateway/diagram.png" align="left" width="280px"></a> This [blueprint](./api-gateway/) shows how to configure a load balancer to enable multi-region deployments for API Gateway. For more details on how this set up work have a look at the article [here](https://cloud.google.com/api-gateway/docs/multi-region-deployment)
+<br clear="left">

blueprints/serverless/api-gateway/README.md

@@ -4,7 +4,7 @@ This tutorial shows you how to configure an HTTP(S) load balancer to enable mult
 
 The diagram below depicts the architecture that this blueprint sets up.
 
-![Architecture](architecture.png)
+![Architecture diagram](diagram.png)
 
 # Running the blueprint