chore: update readme

Author: psteinroe

README.md

@@ -7,6 +7,20 @@
   [Documentation](https://pg-conductor.dev/)
 </div>
 
+## Why Postgres Conductor?
+
+**Durable Execution** - Tasks survive crashes and restarts through automatic step memoization
+
+**Multiple Triggers** - Invocable APIs, cron schedules, custom events, and database triggers
+
+**Workflows** - Invoke child tasks and wait for results with full type safety
+
+**Performance** - Process up to 20,000 jobs per second with just Postgres
+
+**Type-Safety** - Share common event and task schemas across your services
+
+**Simple Infrastructure** - No Redis, no message queues - just Postgres
+
 ## Installation
 
 Postgres Conductor is available on npm: