Add simpleStorage type definitions.

Add simpleStorage to CONTRIBUTORS.md.
*NOTE file naming includes uppercase characters disregarding the Contribution guide Quality Criteria because of another different package named simplestorage already existing on npm.*

CONTRIBUTORS.md

@@ -1024,6 +1024,7 @@ This document generated by [dt-contributors-generator](https://github.com/vvakam
 * [:link:](signature_pad/signature_pad.d.ts) [signature_pad](https://github.com/szimek/signature_pad) by [Abubaker Bashir](https://github.com/AbubakerB)
 * [:link:](simple-cw-node/simple-cw-node.d.ts) [simple-cw-node](https://github.com/astronaughts/simple-cw-node) by [vvakame](https://github.com/vvakame)
 * [:link:](jquery.simplemodal/jquery.simplemodal.d.ts) [SimpleModal](http://www.ericmmartin.com/projects/simplemodal) by [Friedrich von Never](https://github.com/ForNeVeR)
+* [:link:](simpleStorage/simpleStorage.d.ts) [simpleStorage](https://github.com/andris9/simpleStorage) by [Áxel Costas Pena](https://github.com/axelcostaspena)
 * [:link:](sinon/sinon.d.ts) [Sinon](http://sinonjs.org) by [William Sears](https://github.com/mrbigdog2u)
 * [:link:](sinon-chai/sinon-chai.d.ts) [sinon-chai](https://github.com/domenic/sinon-chai) by [Kazi Manzur Rashid](https://github.com/kazimanzurrashid), [Jed Mao](https://github.com/jedmao)
 * [:link:](sinon-chrome/sinon-chrome.d.ts) [Sinon-Chrome](https://github.com/vitalets/sinon-chrome) by [Tim Perry](https://github.com/pimterry)

simpleStorage/simpleStorage.d.ts

@@ -0,0 +1,110 @@
+// Type definitions for simpleStorage v0.1.3
+// Project: https://github.com/andris9/simpleStorage
+// Definitions by: Áxel Costas Pena <https://github.com/axelcostaspena>
+// Definitions: https://github.com/borisyankov/DefinitelyTyped
+
+declare module andris9_simpleStorage {
+
+    /**
+     * {@link simpleStorage} API is a subset of {@link http://www.jstorage.info/|jStorage} with slight modifications, so for most cases it should work out of the box if you are converting from {@link http://www.jstorage.info/|jStorage}. Main difference is between return values - if an action failed because of an error (storage full, storage not available, invalid data used etc.), you get the error object as the return value. {@link http://www.jstorage.info/|jStorage} never indicated anything if an error occurred.
+     * @see https://github.com/andris9/simpleStorage#usage
+     */
+    export interface SimpleStorage {
+
+        version: string;
+
+        /**
+         * Check if local storage can be used.
+         * Returns <code>true</code> if storage is available.
+         * @see https://github.com/andris9/simpleStorage#canuse
+         */
+        canUse(): boolean;
+
+        /**
+         * Store or update a value in local storage.
+         * Returns <code>true</code> if value was stored, <code>false</code> if value was not stored or <code>{@link Error}</code> object if value was not stored because of an error.
+         * @param key The key for the value.
+         * @param value Value to be stored (can be any JSONeable value).
+         * @param [options] Optional options object.
+         * @see https://github.com/andris9/simpleStorage#setkey-value-options
+         */
+        set(key: string, value: any, options?: SetOptions): boolean|Error;
+
+        /**
+         * Retrieve a value from local storage.
+         * Returns the value for a key or undefined if the key was not found.
+         * @param key The key to be retrieved.
+         * @see https://github.com/andris9/simpleStorage#getkey
+         */
+        get(key: string): any;
+
+        /**
+         * Removes a value from local storage.
+         * Returns <code>true</code> if the value was deleted, <code>false</code> if the value was not found or <code>{@link Error}</code> object if value was not deleted because of an error.
+         * @param key The key to be deleted.
+         * @see https://github.com/andris9/simpleStorage#deletekeykey
+         */
+        deleteKey(key: string): boolean|Error;
+
+        /**
+         * Set a millisecond timeout. When the timeout is reached, the key is removed automatically from local storage.
+         * Returns <code>true</code> if ttl was set, <code>false</code> if value was not found or <code>{@link Error}</code> object if ttl was not set because of an error.
+         * @param key The key to be updated.
+         * @param ttl Timeout in milliseconds. If the value is 0, timeout is cleared from the key.
+         * @see https://github.com/andris9/simpleStorage#setttlkey-ttl
+         */
+        setTTL(key: string, ttl: number): boolean|Error;
+
+        /**
+         * Retrieve remaining milliseconds for a key with TTL.
+         * Returns the finite number of remaining milliseconds, <code>Infinity</code> if TTL is not set for the selected key or <code>false</code> if the selected key does not exist or is expired.
+         * @param key The key to be checked.
+         * @see https://github.com/andris9/simpleStorage#getttlkey
+         */
+        getTTL(key: string): number|boolean;
+
+        /**
+         * Clear all values.
+         * Returns <code>true</code> if storage was flushed or <code>{@link Error}</code> object if storage was not flushed because of an error.
+         * @see https://github.com/andris9/simpleStorage#flush
+         */
+        flush(): boolean|Error;
+
+        /**
+         * Retrieve all used keys as an array.
+         * Returns an array of keys.
+         * @see https://github.com/andris9/simpleStorage#index
+         */
+        index(): [string]|boolean;
+
+        /**
+         * Get used storage in symbol count.
+         * @see https://github.com/andris9/simpleStorage#storagesize
+         */
+        storageSize(): number;
+    }
+
+    /**
+     * @see https://github.com/andris9/simpleStorage#setkey-value-options
+     */
+    export interface SetOptions {
+        /**
+         * Sets the time-to-live (TTL) value in milliseconds for the given key/value.
+         */
+        TTL?: number;
+    }
+
+}
+
+declare module "simpleStorage" {
+    export = simpleStorage;
+}
+
+/**
+ * Cross-browser key-value store database to store data locally in the browser.
+ * {@link simpleStorage} is a fork of {@link http://www.jstorage.info/|jStorage} that only includes the minimal set of features. Basically it is a wrapper for native <code>{@link JSON}</code> + <code>{@link WindowLocalStorage.localStorage|localStorage}</code> with some TTL magic mixed in.
+ * The module has no dependencies, you can use it as a standalone script (introduces {@link simpleStorage} global) or as an AMD module. All modern browsers (including mobile) are supported, older browsers (IE7, Firefox 3) are not.
+ * {@link simpleStorage} is very small - about 1kB in size when minimized and gzipped.
+ * @see https://github.com/andris9/simpleStorage#simplestorage
+ */
+declare var simpleStorage:andris9_simpleStorage.SimpleStorage;