Merge pull request #514 from danilobuerger/patch-1

[@fluent/bundle] Export missing FluentNone

Author: stasm

fluent-bundle/src/index.ts

@@ -13,6 +13,7 @@ export {
   FluentValue,
   FluentType,
   FluentFunction,
+  FluentNone,
   FluentNumber,
   FluentDateTime
 } from "./types.js";