chore: update docs to use editor instead of authoring (#2800)

## Description

Update docs to use the term "Editor" instead of "Authoring" to reduce
confusion.

apps/docs/content/docs/developers/embedding/editor/meta.json

@@ -0,0 +1,4 @@
+{
+  "title": "Editor",
+  "pages": ["v1", "v2"]
+}