fix typescript

Author: hengkx

index.d.ts

@@ -6,8 +6,8 @@ declare module 'react-native-zip-archive' {
   }
   import { NativeEventSubscription } from 'react-native';
   export function isPasswordProtected(source: string): Promise<boolean>;
-  export function zip(source: string | [string], target: string): Promise<string>;
-  export function zipWithPassword(source: string | [string], target: string, password: string, encryptionMethod?: encryptionMethods): Promise<string>;
+  export function zip(source: string | string[], target: string): Promise<string>;
+  export function zipWithPassword(source: string | string[], target: string, password: string, encryptionMethod?: encryptionMethods): Promise<string>;
   export function unzip(source: string, target: string, charset?: string): Promise<string>;
   export function unzipWithPassword(assetPath: string, target: string, password: string): Promise<string>;
   export function unzipAssets(assetPath: string, target: string): Promise<string>;