Link to new postgres doc post cluster creation

cmd/postgres.go

@@ -315,7 +315,7 @@ func runApiCreatePostgresCluster(cmdCtx *cmdctx.CmdContext, org string, input *a
 		fmt.Printf("For example: postgres://%s:%s@%s.internal:%d\n", payload.Username, payload.Password, payload.App.Name, 5432)
 
 		fmt.Println()
-		fmt.Println("See the postgres docs for more information on next steps, managing postgres, connecting from outside fly:  https://fly.io/docs/reference/postgres/")
+		fmt.Println("Now you've setup postgres, here's what you need to understand: https://fly.io/docs/reference/postgres-whats-next/")
 	}
 
 	return payload, err

internal/command/services/postgres/launch.go

@@ -226,6 +226,8 @@ func (p *Launch) Launch(ctx context.Context) error {
 	fmt.Fprintf(io.Out, "  Postgres port:  5433\n")
 	fmt.Fprintf(io.Out, "  Connection string:  %s\n", connStr)
 	fmt.Fprintf(io.Out, "Save your credentials in a secure place, you won't be able to see them again!\n")
+	fmt.Fprintf(io.Out, "\n")
+	fmt.Fprintf(io.Out, "Now you've setup postgres, here's what you need to understand: https://fly.io/docs/reference/postgres-whats-next/\n")
 
 	return nil
 }