Add He3 App (#1138)

[He3](https://he3.app/) is a free and modern developer utilities toolbox. It provides 200 builtin tools with more to come. It boost the productivity of developers in daily dev tasks with tools for formatting, generating, converting, encoding, etc.. It comes with convenient features including smart search, auto clipboard detection, hotkeys, custom themes, etc.

Here is a blog describing He3 in more details: https://he3.app/posts/announcement_en/

Here is a blog describing He3 in more details: https://he3.app/posts/announcement_en/

README-zh.md

@@ -170,6 +170,7 @@ Awesome Mac
 * [WeFlow](https://weflow.io/) - 一个基于 [tmt-workflow](https://github.com/Tencent/tmt-workflow) 前端工作流的开发工具。[![Open-Source Software][OSS Icon] ![Freeware][Freeware Icon]](https://github.com/Tencent/WeFlow)
 * [Woodpecker](http://www.woodpeck.cn) - 在Mac上查看、编辑iOS App的沙盒文件, UserDefaults, Keychain项 [![App Store][app-store Icon]](https://itunes.apple.com/cn/app/woodpecker/id1333548463)
 * [zeplin](https://www.zeplin.io/) - 前端与设计协同工作专用工具。![Freeware][Freeware Icon]
+* [He3](https://he3.app) - 免费智能的开发者万能工具箱. ![Freeware][Freeware Icon]
 
 ### 正则编辑器
 

README.md

@@ -302,6 +302,7 @@ Any comments, suggestions? [Let us know!](https://github.com/jaywcjlove/awesome-
 * [XCSnippetsApp](https://github.com/MarcoEidinger/XCSnippetsApp) - Explore code snippets from the Swift and iOS community, view and edit the snippets before adding them conveniently to Xcode. [![Open-Source Software][OSS Icon] ![Freeware][Freeware Icon]](https://github.com/MarcoEidinger/XCSnippetsApp)
 * [zeplin](https://www.zeplin.io/) - Collaboration tool for work between designers and developers. ![Freeware][Freeware Icon]
 * [Nib Unlocker](https://apps.apple.com/by/app/nib-unlocker/id1475697086) - .nib to .xib converter [![App Store][app-store Icon]](https://apps.apple.com/by/app/nib-unlocker/id1475697086?mt=12)
+* [He3](https://he3.app) - Free and Modern Developer Utilities Toolbox. ![Freeware][Freeware Icon]
 
 #### Regular Expression Editors