v13 api docs

src/utils/Y.js

@@ -17,6 +17,8 @@ import { Observable } from 'lib0/observable.js'
 import * as random from 'lib0/random.js'
 import * as map from 'lib0/map.js'
 
+// @todo rename to shared document
+
 /**
  * A Yjs instance handles the state of shared data.
  * @extends Observable<string>