Add controller to deploy topology service

[akashshinde]

This PR borrows the work from https://github.com/redhat-developer/devconsole-operator/pull/195

A Deployment is created in the openshift-operators namespace such that the corresponding service would be reachable at devconsole-app.openshift-operators.svc:8080 Calls to this service would be proxied from the console backend [1] .

To Do

• [ ] Verify that console backend is able to proxy to this
• [x] Create Deployment
• [x] Create Service
• [x] Watch and reconcile
• [ ] Parameterize the image name that is being deployed
• [x] Add tests
  • [x] Add unit tests

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[tinakurian]

@akashshinde can we please add some tests for these changes?

[sbose78]

A Deployment is created in the openshift-operators

@Avni-Sharma Can we deploy it in a different namespace?

[akashshinde]

@sbose78 How do you suggest to parameterize docker image path of topology service ?

[baijum]

A Deployment is created in the openshift-operators

@Avni-Sharma Can we deploy it in a different namespace?

Let's create a new dedicated namespace for our service(s).