message: docs/techdocs: Add doc string about etag in Metadata type
diff: @@ -39,6 +39,7 @@ export type PublishResponse = {
  /**
  * Type to hold metadata found in techdocs_metadata.json and associated with each site
  + * @param etag ETag of the resource used to generate the site. Usually the latest commit sha of the source repository.
  */
  export type TechDocsMetadata = {
  site_name: string;
  