Updated testing notes, linting changes

CONTRIBUTING.md

@@ -51,6 +51,16 @@ argocd app create guestbook --dest-namespace default --dest-server https://kuber
 argocd app sync guestbook
 ```
 
+## Testing Argo CD Notification Changes
+
+Thorough testing of argocd-notifications would require one or more notification services (Slack, OpsGenie, etc), however
+minimal testing mostly consists of successful Helm chart installation and the argocd-notifications controller having
+access to the `Application` resources in the same namespace that Argo CD is installed.
+
+```
+helm install argocd-notifications charts/argocd-notifications --namespace argocd
+```
+
 ## New Application Versions
 
 When raising application versions ensure you make the following changes:

charts/argocd-notifications/Chart.yaml

@@ -10,3 +10,5 @@ keywords:
   - argoproj
   - argocd
   - argocd-notifications
+maintainers:
+  - name: alexmt

charts/argocd-notifications/values.yaml

@@ -22,10 +22,10 @@ secret:
 
   notifiers:
     # For more information: https://argoproj-labs.github.io/argocd-notifications/services/overview/
-  
+
     slack:
       # For more information: https://argoproj-labs.github.io/argocd-notifications/services/slack/
-  
+
       # Specifies whether Slack notifier should be configured
       enabled: false
       # OAuth Access Token