Fix docs for RouteOption

Signed-off-by: EdricCua <[email protected]>

go/api/options/route_options.go

@@ -4,6 +4,9 @@ package options
 
 import "github.com/valkey-io/valkey-glide/go/glide/api/config"
 
+// An extension to command option types with Routes
 type RouteOption struct {
+	// Specifies the routing configuration for the command.
+	// The client will route the command to the nodes defined by `route`.
 	Route config.Route
 }