Add Foqos to Productivity section (#9)

Foqos is an open-source iOS/macOS focus app that blocks distracting apps
using NFC tags, QR codes, or timers. It's a free alternative to apps like
Brick, Bloom, and Unpluq.

- Repository: github.com/awaseem/foqos
- Available on the App Store
- Written in Swift/SwiftUI

Author: William-Laverty

README.md

@@ -492,6 +492,7 @@ is list features a curated selection of open-source macOS applications developed
 - [Calculeta](https://github.com/varol/Calculeta) <img align="bottom" height="13" src="https://img.shields.io/github/stars/varol/Calculeta?style=flat&label=" /> <img align="bottom" height="13" src="https://img.shields.io/github/last-commit/varol/Calculeta?style=flat&label=" /> - Calculator for macOS which working on statusbar.
 - [Cash](https://github.com/thesmokinator/cash) <img align="bottom" height="13" src="https://img.shields.io/github/stars/thesmokinator/cash?style=flat&label=" /> <img align="bottom" height="13" src="https://img.shields.io/github/last-commit/thesmokinator/cash?style=flat&label=" /> - Personal Finance Manager.
 - [Doll](https://github.com/xiaogdgenuine/Doll) <img align="bottom" height="13" src="https://img.shields.io/github/stars/xiaogdgenuine/Doll?style=flat&label=" /> <img align="bottom" height="13" src="https://img.shields.io/github/last-commit/xiaogdgenuine/Doll?style=flat&label=" /> - A mac app to help monitor your app badges！
+- [Foqos](https://github.com/awaseem/foqos) <img align="bottom" height="13" src="https://img.shields.io/github/stars/awaseem/foqos?style=flat&label=" /> <img align="bottom" height="13" src="https://img.shields.io/github/last-commit/awaseem/foqos?style=flat&label=" /> - Focus app that blocks distracting apps using NFC tags, QR codes, or timers.
 - [Impulso](https://github.com/nuance-dev/impulso) <img align="bottom" height="13" src="https://img.shields.io/github/stars/nuance-dev/impulso?style=flat&label=" /> <img align="bottom" height="13" src="https://img.shields.io/github/last-commit/nuance-dev/impulso?style=flat&label=" /> - Yet another macOS Task Management App.
 - [EnputPlus](https://github.com/c0rychu/enput-plus) <img align="bottom" height="13" src="https://img.shields.io/github/stars/c0rychu/enput-plus?style=flat&label=" /> <img align="bottom" height="13" src="https://img.shields.io/github/last-commit/c0rychu/enput-plus?style=flat&label=" /> - macOS English input method that pops up the spellcheck.
 - [Input Source Pro](https://github.com/runjuu/InputSourcePro) <img align="bottom" height="13" src="https://img.shields.io/github/stars/runjuu/InputSourcePro?style=flat&label=" /> <img align="bottom" height="13" src="https://img.shields.io/github/last-commit/runjuu/InputSourcePro?style=flat&label=" /> - Switch and track your input sources with ease.