Add Keyden.

Author: jaywcjlove

README.md

@@ -538,6 +538,7 @@ is list features a curated selection of open-source macOS applications developed
 - [Gray](https://github.com/zenangst/Gray) <img align="bottom" height="13" src="https://img.shields.io/github/stars/zenangst/Gray?style=flat&label=" /> <img align="bottom" height="13" src="https://img.shields.io/github/last-commit/zenangst/Gray?style=flat&label=" /> - Pick between the light appearance and the dark appearance on a per-app basis with the click of a button 
 - [Grayscale Mode](https://github.com/rkbhochalya/grayscale-mode) <img align="bottom" height="13" src="https://img.shields.io/github/stars/rkbhochalya/grayscale-mode?style=flat&label=" /> <img align="bottom" height="13" src="https://img.shields.io/github/last-commit/rkbhochalya/grayscale-mode?style=flat&label=" /> - Manage grayscale mode from menu bar.
 - [Kyapchar](https://github.com/vishaltelangre/Kyapchar) <img align="bottom" height="13" src="https://img.shields.io/github/stars/vishaltelangre/Kyapchar?style=flat&label=" /> <img align="bottom" height="13" src="https://img.shields.io/github/last-commit/vishaltelangre/Kyapchar?style=flat&label=" /> - Simple screen and microphone audio recorder for macOS. 
+- [Keyden](https://github.com/tasselx/Keyden) <img align="bottom" height="13" src="https://img.shields.io/github/stars/tasselx/Keyden?style=flat&label=" /> <img align="bottom" height="13" src="https://img.shields.io/github/last-commit/tasselx/Keyden?style=flat&label=" /> - A clean and elegant macOS menu bar TOTP authenticator.
 - [Layout Designer for UICollectionView](https://github.com/amirdew/CollectionViewPagingLayout) <img align="bottom" height="13" src="https://img.shields.io/github/stars/amirdew/CollectionViewPagingLayout?style=flat&label=" /> <img align="bottom" height="13" src="https://img.shields.io/github/last-commit/amirdew/CollectionViewPagingLayout?style=flat&label=" /> - A simple but powerful tool that helps you make complex layouts for UICollectionView.
 - [Lunar](https://github.com/alin23/lunar) <img align="bottom" height="13" src="https://img.shields.io/github/stars/alin23/lunar?style=flat&label=" /> <img align="bottom" height="13" src="https://img.shields.io/github/last-commit/alin23/lunar?style=flat&label=" /> - Intelligent adaptive brightness for your external displays. 
 - [Maria](https://github.com/shincurry/Maria) <img align="bottom" height="13" src="https://img.shields.io/github/stars/shincurry/Maria?style=flat&label=" /> <img align="bottom" height="13" src="https://img.shields.io/github/last-commit/shincurry/Maria?style=flat&label=" /> - macOS native app/widget for aria2 download tool. 

README.zh.md

@@ -526,6 +526,7 @@
 - [Gray](https://github.com/zenangst/Gray) <img align="bottom" height="13" src="https://img.shields.io/github/stars/zenangst/Gray?style=flat&label=" /> <img align="bottom" height="13" src="https://img.shields.io/github/last-commit/zenangst/Gray?style=flat&label=" /> - 通过点击按钮在每个应用程序中选择浅色或深色外观。
 - [Grayscale Mode](https://github.com/rkbhochalya/grayscale-mode) <img align="bottom" height="13" src="https://img.shields.io/github/stars/rkbhochalya/grayscale-mode?style=flat&label=" /> <img align="bottom" height="13" src="https://img.shields.io/github/last-commit/rkbhochalya/grayscale-mode?style=flat&label=" /> - 从菜单栏管理灰度模式。
 - [Kyapchar](https://github.com/vishaltelangre/Kyapchar) <img align="bottom" height="13" src="https://img.shields.io/github/stars/vishaltelangre/Kyapchar?style=flat&label=" /> <img align="bottom" height="13" src="https://img.shields.io/github/last-commit/vishaltelangre/Kyapchar?style=flat&label=" /> - macOS 的简单屏幕和麦克风音频录制工具。
+- [Keyden](https://github.com/tasselx/Keyden) <img align="bottom" height="13" src="https://img.shields.io/github/stars/tasselx/Keyden?style=flat&label=" /> <img align="bottom" height="13" src="https://img.shields.io/github/last-commit/tasselx/Keyden?style=flat&label=" /> - 简洁优雅的 macOS 菜单栏 TOTP 验证。
 - [Layout Designer for UICollectionView](https://github.com/amirdew/CollectionViewPagingLayout) <img align="bottom" height="13" src="https://img.shields.io/github/stars/amirdew/CollectionViewPagingLayout?style=flat&label=" /> <img align="bottom" height="13" src="https://img.shields.io/github/last-commit/amirdew/CollectionViewPagingLayout?style=flat&label=" /> - 一个简单但强大的工具，帮助您为 UICollectionView 制作复杂布局。
 - [Lunar](https://github.com/alin23/lunar) <img align="bottom" height="13" src="https://img.shields.io/github/stars/alin23/lunar?style=flat&label=" /> <img align="bottom" height="13" src="https://img.shields.io/github/last-commit/alin23/lunar?style=flat&label=" /> - 为外部显示器提供智能自适应亮度调节。
 - [Maria](https://github.com/shincurry/Maria) <img align="bottom" height="13" src="https://img.shields.io/github/stars/shincurry/Maria?style=flat&label=" /> <img align="bottom" height="13" src="https://img.shields.io/github/last-commit/shincurry/Maria?style=flat&label=" /> - macOS 原生应用程序/小部件，用于 aria2 下载工具。