fix: add optional to login context-name flag

Signed-off-by: bupd <bupdprasanth@gmail.com>

Author: bupd

cmd/harbor/root/login.go

@@ -79,7 +79,7 @@ func LoginCommand() *cobra.Command {
 
 	flags := cmd.Flags()
 	flags.StringVarP(&Username, "username", "u", "", "Username")
-	flags.StringVarP(&Name, "context-name", "n", "", "Login context name")
+	flags.StringVarP(&Name, "context-name", "", "", "Login context name (optional)")
 	flags.StringVarP(&Password, "password", "p", "", "Password")
 	flags.BoolVar(&passwordStdin, "password-stdin", false, "Take the password from stdin")
 

doc/cli-docs/harbor-login.md

@@ -19,7 +19,7 @@ harbor login [server] [flags]
 ### Options
 
 ```sh
-  -n, --context-name string   Login context name
+      --context-name string   Login context name (optional)
   -h, --help                  help for login
   -p, --password string       Password
       --password-stdin        Take the password from stdin

doc/man-docs/man1/harbor-login.1

@@ -14,8 +14,8 @@ Authenticate with Harbor Registry.
 
 
 .SH OPTIONS
-\fB-n\fP, \fB--context-name\fP=""
-	Login context name
+\fB--context-name\fP=""
+	Login context name (optional)
 
 .PP
 \fB-h\fP, \fB--help\fP[=false]