message: docs(common): Add missing entry for NgForOfContext.count
  `count` is available in `NgForOfContext` but it's missing in the docs.
  PR Close
diff: @@ -85,6 +85,7 @@ export class NgForOfContext<T, U extends NgIterable<T> = NgIterable<T>> {
  * more complex then a property access, for example when using the async pipe (`userStreams |
  * async`).
  * - `index: number`: The index of the current item in the iterable.
  + * - `count: number`: The length of the iterable.
  * - `first: boolean`: True when the item is the first item in the iterable.
  * - `last: boolean`: True when the item is the last item in the iterable.
  * - `even: boolean`: True when the item has an even index in the iterable.
  