README: move SAMO mention to bottom per TARS advice

Author: NikolayS

README.md

@@ -8,8 +8,6 @@
 
 Active Session History for Postgres — lightweight wait event sampling with zero bloat.
 
-> **Experimental.** Part of the [SAMO project](https://samo.sh/) — self-driving Postgres.
-
 **The anti-extension.** Pure SQL + PL/pgSQL that works on any Postgres 14+ — including RDS, Cloud SQL, AlloyDB, Supabase, Neon, and every other managed provider. No C extension, no `shared_preload_libraries`, no provider approval, no restart. Just `\i` and go.
 
 ## Why
@@ -585,3 +583,7 @@ select cron.schedule(
 ## License
 
 [Apache 2.0](LICENSE)
+
+---
+
+pg_ash is part of [SAMO](https://samo.sh/) — self-driving Postgres.