feat(storage): added config options

Fixes #110

Author: danielsogl

src/storage.ts

@@ -237,7 +237,10 @@ export function getDefaultConfig() {
 /** @hidden */
 export interface StorageConfig {
   name?: string;
+  version?: number;
+  size?: number;
   storeName?: string;
+  description?: string;
   driverOrder?: string[];
 }