Add NextDNS (#1099)

Author: Ray Adams

README.md

@@ -885,6 +885,7 @@ Any comments, suggestions? [Let us know!](https://github.com/jaywcjlove/awesome-
 * [Manta](https://getmanta.app/) - Flexible invoicing desktop app with beautiful & customizable templates. [![Open-Source Software][OSS Icon]](https://github.com/hql287/Manta) ![Freeware][Freeware Icon]
 * [Memo](http://memo-app.net/) - Simple and elegant app. Unlock memos even more quickly using Touch ID. ![Freeware][Freeware Icon] [![App Store][app-store Icon]](https://itunes.apple.com/app/id1212409035)
 * [Numi](http://numi.io/) - Beautiful calculator app for Mac. ![Freeware][Freeware Icon]
+* [NextDNS](https://nextdns.io/) - The new firewall for the modern Internet. ![Freeware][Freeware Icon] [![App Store][app-store Icon]](https://apps.apple.com/us/app/nextdns/id1464122853)
 * [Plash](https://sindresorhus.com/plash) - Make any website your desktop wallpaper. [![Open-Source Software][OSS Icon]](https://github.com/sindresorhus/Plash) ![Freeware][Freeware Icon] [![App Store][app-store Icon]](https://apps.apple.com/us/app/plash/id1494023538)
 * [SlowQuitApps](https://github.com/dteoh/SlowQuitApps) - An OS X app that adds a global delay of 1 second to the Cmd-Q shortcut. [![Open-Source Software][OSS Icon] ![Freeware][Freeware Icon]](https://github.com/dteoh/SlowQuitApps)
 * [Speediness](https://sindresorhus.com/speediness) - Check your internet speed. ![Freeware][Freeware Icon] [![App Store][app-store Icon]](https://apps.apple.com/app/id1596706466)