feat: Updated notes and labels for new release (#2765)

* Update NOTES.txt

* Update notifier.yaml

Author: pawan-mehta-dt

charts/devtron/templates/NOTES.txt

@@ -1,3 +1,4 @@
+Please wait for ~1 minute before running any of the following commands.
 
 1. Run the following command to get the password for the default admin user:
 
@@ -48,6 +49,9 @@
 3. To track the progress of Devtron microservices installation, run the following command:
 
    kubectl -n devtroncd get installers installer-devtron -o jsonpath='{.status.sync.status}'
+   
+   After running this command, if you get the results as:
+   1. "Downloaded" means installation in progress. But you can still start exploring Devtron
+   2. "Applied" means installation is successful.
 
 {{- end }}
-

charts/devtron/templates/notifier.yaml

@@ -9,6 +9,7 @@ metadata:
   name: notifier-secret
   labels:
     release: devtron
+    app: notifier
 type: Opaque
 {{- if .secrets }}
 data:
@@ -24,6 +25,7 @@ metadata:
   name: notifier-cm
   labels:
     release: devtron
+    app: notifier
 data:
 {{- if .configs}}
 {{ toYaml .configs | indent 2 }}
@@ -107,4 +109,4 @@ spec:
 {{- end }}
 {{- end }}
 {{- end }}
-{{- end }}
+{{- end }}