No longer in use

README.md

diff --git a/README.md b/README.md
index c72734d..eb17c50 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,7 @@
 Docker build for testing Attic banner and CSP.
 
+# This repository is no longer in use. It has been merged into the main Attic repository
+
 Build:
 `docker compose build`