docs: add supproted DBs

kenjis · michalsn · web-flow · commit 54a2ecfd8f69 · 2024-03-16T16:28:22.000+09:00
Co-authored-by: Michal Sniatala &lt;michal@sniatala.pl&gt;
diff --git a/docs/index.md b/docs/index.md
@@ -20,6 +20,9 @@ Listen for queued jobs.
 If you use `database` handler:
 - MySQL 8.0.1+
 - MariaDB 10.6+
+- PostgreSQL 9.5+
+- SQL Server 2012+
+- Oracle 12.1+
 
 ### Table of Contents
 
