Support installing gateway using OCM

DEVELOPING.md

@@ -55,6 +55,15 @@ develop/init.sh # only the first time and when you want to reset gateway state
 docker-compose -f develop/gateway-compose.yaml up
 ```
 
+## Start gateway in Kubernetes
+
+If you have installed local kubernetes cluster like MicroShift, you can deploy gateway (along with the mesh) with
+
+```
+kubectl create namespace eclipsecon-gateway
+kubectl apply -n eclipsecon-gateway -f deployments/gateways/gateway-daemonset.yaml
+```
+
 ## Installing softdevice on microbit (only needed first time)
 
 Download the [softdevice](https://www.nordicsemi.com/Products/Development-software/S140/Download) and unpack.

deployments/gateways/README.adoc

@@ -258,6 +258,16 @@ oc delete crd klusterlets.operator.open-cluster-management.io
 
 === Rollout the gateway application
 
+You can deploy gateway on each cluster in a set by creating a `placement` and appropriate work for it
+
+[source,shell]
+----
+kubectl apply -n eclipsecon-2022 -f placement.yaml
+clusteradm create work eclipsecon-gateway -f gateway-daemonset.yaml --placement gateway
+----
+
+=== Rollout the gateway application using work manifest
+
 For each gateway, create the following resource in its (gateway) namespace:
 
 [source,yaml]

deployments/gateways/placement.yaml

@@ -0,0 +1,8 @@
+apiVersion: cluster.open-cluster-management.io/v1beta1
+kind: Placement
+metadata:
+  name: gateway
+  namespace: eclipsecon-2022
+spec:
+  clusterSets:
+    - eclipsecon