Marwin Maethner

Add missing meta file in Zenject package

2

## Pull request checklist Please check if your PR fulfills the following requirements: - [x] ~~Tests for the changes have been added (for bug fixes / features)~~ - [x] ~~Docs...

Missing .meta file for OptionalExtras/Async

1

**Describe the bug** The .meta file for OptionalExtras/Async is missing. This is a breaking issue for everyone who imports Extenject via UPM. **To Reproduce** 1. Create or checkout a new...