docs: update readme to provide information about how to upgrade

README.md

@@ -7,6 +7,19 @@ This `gh` extension can be used to monitor the current status of GitHub based on
 gh extension install wwsean08/gh-gh-status
 ```
 
+## Upgrade
+As a note, GitHub really doesn't like your command starting with `gh` like this one does.  In order to upgrade the plugin you can run one of the following commands:
+
+```shell
+gh extension upgrade wwsean08/gh-gh-status
+```
+
+or
+
+```shell
+gh extension upgrade gh-gh-status
+```
+
 ## Usage
 ### Run once
 ```shell

cmd/root.go

@@ -16,7 +16,11 @@ var rootCmd = &cobra.Command{
 	Use:   "gh-status",
 	Short: "Check the status of github.com",
 	Long: `A simple command to get the current status of github.com according th githubstatus.com 
-with the ability to poll it every minute to keep an eye on ongoing incidents.`,
+with the ability to poll it every minute to keep an eye on ongoing incidents.
+
+To upgrade the extension run the following command:
+gh extension upgrade gh-gh-status
+`,
 	Run: func(cmd *cobra.Command, args []string) {
 		watch, err := cmd.Flags().GetBool("watch")
 		if err != nil {