eventstore: QueryEvents() to take a maxLimit param now so everything is clearer.

khatru/docs/core/eventstore.md

@@ -35,7 +35,7 @@ func main() {
 		panic(err)
 	}
 
-	relay.UseEventstore(db)
+	relay.UseEventstore(db, 500)
 
 	fmt.Println("running on :3334")
 	http.ListenAndServe(":3334", relay)
@@ -44,10 +44,6 @@ func main() {
 
 [LMDB](https://pkg.go.dev/fiatjaf.com/nostr/eventstore/lmdb) works the same way.
 
-[SQLite](https://pkg.go.dev/fiatjaf.com/nostr/eventstore/sqlite3) also stores things locally so it only needs a `Path`.
-
-[PostgreSQL](https://pkg.go.dev/fiatjaf.com/nostr/eventstore/postgresql) and [MySQL](https://pkg.go.dev/fiatjaf.com/nostr/eventstore/mysql) use remote connections to database servers, so they take a `DatabaseURL` parameter, but after that it's the same.
-
 ## Using two at a time
 
 If you want to use two different adapters at the same time that's easy. Just use the `policies.Seq*` functions: