update README.md (#96)

Update README.md

Author: ksn6

README.md

@@ -1,2 +1,5 @@
 # Alpenglow vote program
+
+**NOTE: `alpenglow-vote` is getting absorbed into https://github.com/anza-xyz/alpenglow/. Please avoid updates to this repo moving forward!**
+
 This is the implementation of the Alpenglow vote program. It performs the accounting for the various certificates and rewards.