Support to install addons by karmada init and add a subcmd to manage addons

[duanmengkk]

What would you like to be added:
As talked in #1794 ,We need these features.

1. Support to install addons by karmada init ,so users can choose to enable addons such as karmada-estimator ,karmada-search when using karmadactl init to deploy karmada .
2. Add a subcmd karmada addons to manage the addons deployed by karmadactl init ,so users can choose to enable it or disable it when karmada control plane has been deployed

Why is this needed:

Similar as minikube.

$ minikube addons -h
addons modifies minikube addons files using subcommands like "minikube addons enable dashboard"

Available Commands:
  configure   Configures the addon w/ADDON_NAME within minikube (example: minikube addons configure registry-creds). For
a list of available addons use: minikube addons list
  disable     Disables the addon w/ADDON_NAME within minikube (example: minikube addons disable dashboard). For a list
of available addons use: minikube addons list
  enable      Enables the addon w/ADDON_NAME within minikube. For a list of available addons use: minikube addons list
  images      List image names the addon w/ADDON_NAME used. For a list of available addons use: minikube addons list
  list        Lists all available minikube addons as well as their current statuses (enabled/disabled)
  open        Opens the addon w/ADDON_NAME within minikube (example: minikube addons open dashboard). For a list of
available addons use: minikube addons list

Usage:
  minikube addons SUBCOMMAND [flags] [options]

[duanmengkk]

/assign @duanmengkk

[duanmengkk]

/close

[karmada-bot]

@duanmengkk: Closing this issue.

In response to this:

/close

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