Add lib directory

.gitignore

@@ -1,4 +1,3 @@
-lib/
 node_modules/
 data
 registry.env

lib/addTrailingSlash.d.ts

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+declare const _default: (path?: string | undefined) => string;
+export default _default;

lib/config.d.ts

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+import { Config } from '@verdaccio/types';
+export interface S3Config extends Config {
+    bucket: string;
+    keyPrefix: string;
+    endpoint?: string;
+    region?: string;
+    s3ForcePathStyle?: boolean;
+    acl?: string;
+    tarballACL?: string;
+    accessKeyId?: string;
+    secretAccessKey?: string;
+    sessionToken?: string;
+}

lib/deleteKeyPrefix.d.ts

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+import { S3 } from 'aws-sdk';
+interface DeleteKeyPrefixOptions {
+    Bucket: string;
+    Prefix: string;
+}
+export declare function deleteKeyPrefix(s3: S3, options: DeleteKeyPrefixOptions, callback: (err: Error | null) => void): void;
+export {};

lib/index.d.ts

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+import { Logger, Config, Callback, IPluginStorage, PluginOptions, Token, TokenFilter } from '@verdaccio/types';
+import { S3Config } from './config';
+import S3PackageManager from './s3PackageManager';
+export default class S3Database implements IPluginStorage<S3Config> {
+    logger: Logger;
+    config: S3Config;
+    private s3;
+    private _localData;
+    constructor(config: Config, options: PluginOptions<S3Config>);
+    getSecret(): Promise<string>;
+    setSecret(secret: string): Promise<void>;
+    add(name: string, callback: Callback): void;
+    search(onPackage: Function, onEnd: Function): Promise<void>;
+    private _fetchPackageInfo;
+    remove(name: string, callback: Callback): void;
+    get(callback: Callback): void;
+    private _sync;
+    getPackageStorage(packageName: string): S3PackageManager;
+    private _getData;
+    saveToken(token: Token): Promise<void>;
+    deleteToken(user: string, tokenKey: string): Promise<void>;
+    readTokens(filter: TokenFilter): Promise<Token[]>;
+}