feat: add open and close methods to db format

Author: Galeaf11

packages/storage/src/abstract.ts

@@ -13,8 +13,8 @@ export abstract class Storage {
   abstract entries<CustomValueType = unknown>():
     | IterableIterator<[string, CustomValueType]>
     | Promise<[string, CustomValueType][]>;
-  abstract open(): Promise<void>
-  abstract close(): Promise<void>
+  abstract open(): Promise<void>;
+  abstract close(): Promise<void>;
 }
 
 export interface GenericStorageOptions {