Add rectangle app in window management category (#1222)

Author: dendoink

README-zh.md

@@ -926,6 +926,7 @@ Awesome Mac
 * [SizeUp](http://www.irradiatedsoftware.com/sizeup/) - 强大的，以键盘为中心的窗口管理。
 * [Spectacle](https://www.spectacleapp.com) - 简单的移动和调整大小的窗口，和可定制的键盘快捷键。 [![Open-Source Software][OSS Icon]](https://github.com/eczarny/spectacle) ![Freeware][Freeware Icon]
 * [Total Spaces](http://totalspaces.binaryage.com/) - 像 ubuntu 一样提供窗口管理，为工作区创建热键，使您可以轻松移动。
+* [Rectangle-app](https://github.com/rxhanson/Rectangle) - Rectangle 是一个基于 Spectacle 的窗口管理应用程序，用 Swift 编写：使用键盘快捷键在 macOS 上移动和调整窗口大小。 [![Open-Source Software][OSS Icon] ![Freeware][Freeware Icon]](https://github.com/rxhanson/Rectangle)
 
 ### 密码管理
 

README.md

@@ -1009,6 +1009,7 @@ Any comments, suggestions? [Let us know!](https://github.com/jaywcjlove/awesome-
 * [Slate](https://github.com/jigish/slate) - Window management application similar to Divvy and SizeUp (except better and free!). (**Needs config file**) [![Open-Source Software][OSS Icon] ![Freeware][Freeware Icon]](https://github.com/jigish/slate)
 * [Total Spaces](http://totalspaces.binaryage.com/) - Provides window management much like ubuntu. Creates hotkeys for workspaces which allows you to easily move around.
 * [yabai](https://github.com/koekeishiya/yabai) - Tiling window manager for macOS. A rewrite of chunkwm, it provides a more seamless integration with the operating system. [![Open-Source Software][OSS Icon] ![Freeware][Freeware Icon]](https://github.com/koekeishiya/yabai/wiki)
+* [Rectangle-app](https://github.com/rxhanson/Rectangle) - Rectangle is a window management app based on Spectacle, written in Swift: Move and resize windows on macOS with keyboard shortcuts and snap areas. [![Open-Source Software][OSS Icon] ![Freeware][Freeware Icon]](https://github.com/rxhanson/Rectangle)
 
 #### Password Management