docs(docs-infra): Remove warning for @Annotation. (#50218)

JeanMeche · alxhub · commit cc286be7af31 · 2023-05-09T14:49:26.000-07:00
Per #50206, `@Annotation` is needed for tsickle. This commit removes the warning "Invalid tags found" produced by dgeni for the annotation decorator. PR Close #50218
diff --git a/aio/tools/transforms/angular-api-package/tag-defs/annotation.js b/aio/tools/transforms/angular-api-package/tag-defs/annotation.js
@@ -0,0 +1,5 @@
+// @Annotation is load-bearing for tsickle's decorator downleveling transformation
+// We must provide a tag-def for it or the doc-gen will produce a warning.
+module.exports = function() {
+  return {name: 'Annotation'};
+};
