Fix README.md projectionist link

It seams this link is outdated/wrong :)

README.md

@@ -14,7 +14,7 @@ A lightweight but also all-inclusive event sourcing library with a focus on deve
 * Developer experience oriented and fully typed
 * [Snapshots](https://patchlevel.github.io/event-sourcing-docs/latest/snapshots/) and [Split-Stream](https://patchlevel.github.io/event-sourcing-docs/latest/split_stream/) system to quickly rebuild the aggregates
 * [Pipeline](https://patchlevel.github.io/event-sourcing-docs/latest/pipeline/) to build new [projections](https://patchlevel.github.io/event-sourcing-docs/latest/projection/) or to migrate events
-* [Projectionist](https://patchlevel.github.io/event-sourcing-docs/latest/projectionist/) for managed, versioned and asynchronous projections
+* [Projectionist](https://patchlevel.github.io/event-sourcing-docs/latest/projection/#projectionist) for managed, versioned and asynchronous projections
 * [Scheme management](https://patchlevel.github.io/event-sourcing-docs/latest/store/) and [doctrine migration](https://patchlevel.github.io/event-sourcing-docs/latest/migration/) support
 * Dev [tools](https://patchlevel.github.io/event-sourcing-docs/latest/watch_server/) such as a realtime event watcher
 * Built in [cli commands](https://patchlevel.github.io/event-sourcing-docs/latest/cli/) with [symfony](https://symfony.com/)