Add GCP Pub/Sub connector to landing and pricing page

Signed-off-by: Han Verstraete (OpenFaaS Ltd) <han@openfaas.com>

Author: welteki

_includes/landing-page/landing-description.html

@@ -63,7 +63,7 @@ <h2 class="title is-size-4 has-text-grey-darker">
                                 Event-driven workloads
                             </h2>
                             <p class="title has-text-weight-light is-size-5-tablet is-size-4 has-text-grey">
-                                Invoke functions through events from Apache Kafka, AWS SQS, Postgresql, Cron and MQTT. 
+                                Invoke functions through events from Apache Kafka, AWS SQS/SNS, GCP Pub/Sub, RabbitMQ, Postgresql, Cron and MQTT. 
                             </p>
                         </div>
                     </div>

_includes/pricing-page/pricing-cards.html

@@ -219,7 +219,7 @@ <h3 class="mb-3" style="font-weight: bold;">Events/triggers</h3>
                                 <path d="M1412 734q0-28-18-46l-91-90q-19-19-45-19t-45 19l-408 407-226-226q-19-19-45-19t-45 19l-91 90q-18 18-18 46 0 27 18 45l362 362q19 19 45 19 27 0 46-19l543-543q18-18 18-45zm252 162q0 209-103 385.5t-279.5 279.5-385.5 103-385.5-103-279.5-279.5-103-385.5 103-385.5 279.5-279.5 385.5-103 385.5 103 279.5 279.5 103 385.5z">
                                 </path>
                             </svg>
-                            Kafka, RabbitMQ, Postgresql, AWS SNS/SQS triggers
+                            Kafka, RabbitMQ, GCP Pub/Sub, Postgresql, AWS SNS/SQS triggers
                         </li>
 
                         <li class="mb-3 is-flex is-align-items-center ">

_includes/pricing-page/pricing-table.html

@@ -344,6 +344,12 @@ <h3 class="subtitle pt-4">
                 <td class="is-2">{% include yes.html %}</td>
                 <td class="is-2">{% include yes.html %}</td>
             </tr>
+            <tr>
+                <th class="is-one-third">Google Cloud Pub/Sub</th>
+                <td class="is-2">{% include no.html %}</td>
+                <td class="is-2">{% include yes.html %}</td>
+                <td class="is-2">{% include yes.html %}</td>
+            </tr>
 
             <tr>
                 <td colspan="4">