Add region tags to endpoints example.

Author: jeffmendoza

endpoints/getting-started/container-engine.yaml

@@ -46,6 +46,7 @@ spec:
         secret:
           secretName: nginx-ssl
       containers:
+      # [START esp]
       - name: esp
         image: b.gcr.io/endpoints/endpoints-runtime:0.3
         args: [
@@ -55,6 +56,7 @@ spec:
           "-s", "SERVICE_NAME",
           "-v", "SERVICE_VERSION",
         ]
+      # [END esp]
         ports:
           - containerPort: 8080
           - containerPort: 443

endpoints/getting-started/swagger.yaml

@@ -1,9 +1,11 @@
+# [START swagger]
 swagger: "2.0"
 info:
   description: "A simple Google Cloud Endpoints API example."
   title: "Endpoints Example"
   version: "1.0.0"
 host: "YOUR-PROJECT-ID.appspot.com"
+# [END swagger]
 basePath: "/"
 consumes:
 - "application/json"