✨ Adds admin command to check server connection

admin/main.go

@@ -78,6 +78,11 @@ func main() {
 					return nil
 				},
 			},
+			{
+				Name:   "test",
+				Usage:  "test server connection",
+				Action: test,
+			},
 			{
 				Name:  "clients",
 				Usage: "fetch all clients",
@@ -150,6 +155,16 @@ func main() {
 	}
 }
 
+func test(context.Context, *cli.Command) error {
+	err := load()
+	if err != nil {
+		return err
+	}
+
+	url := fmt.Sprintf("%s/", server)
+	return makeReq(http.MethodGet, url)
+}
+
 func clients(ctx context.Context, cmd *cli.Command) error {
 	err := load()
 	if err != nil {