Update README.md

Author: jeffjennings

README.md

@@ -1,6 +1,6 @@
-# nbcollection
+** Archive note: The functionality this repository provided is now integrated into the workflow process run over individual tutorial repositories. See the `build.yml` workflow in a given tutorial repository and the `action--` repositories in this organization.**
 
-**The functionality this repository provided is now integrated into the workflow process run over individual tutorial repositories. See the `build.yml` workflow in a given tutorial repository and the `action--` repositories in this organization.**
+# nbcollection
 
 Tools for building collections of Jupyter notebooks into web pages for public
 consumption.