Add support for webhook options in helm template

[messedupryan]

Issue: #1195

Description

Changes proposed in this pull request:

• Add support for setting webhook options via helm chart

Testing

values.yaml

communications:
  'default-group':
    webhook:
      enabled: true
      url: http://echoserver-echo-server
      bindings:
        sources:
          - k8s-all-events

install helm chart

helm install botkube helm/botkube/ -f values.yaml

test result

k get cm botkube-runtime-config -o yaml -n botkube | grep -A6 webhook  
        webhook:
          enabled: true
          url: http://echoserver-echo-server
          bindings:
            sources:
              - k8s-all-events

Related issue(s)

Resolves #1195

[pkosiec]

Hey @messedupryan, thank you for your contribution. Please see my reply here: #1195 (comment). I'd like to understand first what issue(s) you're trying to solve. Cheers!