🚀 Feature Request: Add Github & Open Collective donation buttons to the app

Created by: saminabangash

Problem Overview 👁️‍🗨️

Users currently do not have a way to donate to Grey Software via Github & Open Collective through the Material Math app

What would you like? 🧰

Creation of Github & Open Collective donation buttons next to the Paypal donation button.

What alternatives have you considered? 🔍

NA

Additional details ℹ️

Open Collective link: https://opencollective.com/grey-software

Github sponsors link: https://github.com/sponsors/grey-software