docs: Incorporates changes from version v1.0.0-beta.2-15-g74450da
**Fixed bugs:**
+- Wrong oauth introspect url [\#25](https://github.com/ory/keto/issues/25)
- Upgrade from \< 1.0.0-beta Hydra migration commands fail [\#23](https://github.com/ory/keto/issues/23)
**Closed issues:**
**Merged pull requests:**
+- cmd: Fixes typo in help command [\#26](https://github.com/ory/keto/pull/26) ([arekkas](https://github.com/arekkas))
- cmd: Resolves an issue with the hydra migrate command [\#24](https://github.com/ory/keto/pull/24) ([arekkas](https://github.com/arekkas))
- warden: Use roles in warden decision [\#22](https://github.com/ory/keto/pull/22) ([arekkas](https://github.com/arekkas))
- cmd: Improves usage of metrics middleware [\#18](https://github.com/ory/keto/pull/18) ([arekkas](https://github.com/arekkas))
