Add Natchez as organization project

Author: valencik

_data/projects.yml

@@ -178,6 +178,9 @@
 - title: "Mouse"
   description: "Enrichments to standard library classes to ease functional programming"
   github: "https://github.com/typelevel/mouse/"
+- title: "Natchez"
+  description: "functional tracing for cats "
+  github: "https://github.com/typelevel/natchez"
 - title: "otel4s"
   description: "An OpenTelemetry library based on cats-effect"
   github: "https://github.com/typelevel/otel4s"