fix(cli): Fixed links to documentation in the CLI (#71)

Co-authored-by: reschen <reschen@126.com>

cmd/root.go

@@ -16,7 +16,7 @@ var RootCmd = &cobra.Command{
 	Short: "A file list program that supports multiple storage.",
 	Long: `A file list program that supports multiple storage,
 built with love by Xhofe and friends in Go/Solid.js.
-Complete documentation is available at https://alist.nn.ci/`,
+Complete documentation is available at https://docs.openlist.team/`,
 }
 
 func Execute() {