fix(typeorm): Fix typeorm configuration interface

Author: Romakita

packages/typeorm/src/index.ts

@@ -3,7 +3,7 @@ import {ConnectionOptions} from "typeorm";
 
 declare module "@tsed/common" {
   interface IServerSettingsOptions {
-    typeorm: {[connectionName: string]: ConnectionOptions};
+    typeorm: ConnectionOptions[];
   }
 }