Add an shortcut information for recognize the contents existed or not on the list

[ralfyang]

[kdh92417]

I will work on sending data from the backend

[Joylish]

I will add a shortcut information in item of list

[ralfyang]

Each Characters meaning like below,

I-Exporter(IaC by Helm chart)
A-Alert-rule
G-Grafana dashboard

I think actually E-Exporter is no need anymore, because it is default contents :)

Please check this out @Joylish Thanks :)