Added "ECS scheduler thoughts, part 1" entry

Author: Ratysz

content/posts/newsletter-016/index.md

@@ -65,6 +65,19 @@ If needed, a section can be split into subsections with a "------" delimiter.
 
 ## Learning Material Updates
 
+### [ECS scheduler thoughts, part 1][article]
+
+[@Ratys] wrote an article about system schedulers in [ECS][ECS].
+It contains an overview of the scheduling problem itself, covers
+the constraints a solution to it should consider, and dissects
+schedulers of [Bevy] engine and [`yaks`] as examples.
+
+[article]: https://ratysz.github.io/article/scheduling-1/
+[@Ratys]: https://twitter.com/ratysz
+[ECS]: https://en.wikipedia.org/wiki/Entity_component_system
+[Bevy]: https://bevyengine.org/
+[`yaks`]: https://crates.io/crates/yaks
+
 ## Library & Tooling Updates
 
 ## Popular Workgroup Issues in Github