add more payment icons
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## Icon Request

* Icon name: stripe, pix, google pay
* Tags of this icon: stripe, pix-br, google-pay
* Use case: in cases of adding payment method icons (my case and I didn't find '-')
* Screenshots of similar icons:
- [Pix icon](https://upload.wikimedia.org/wikipedia/commons/a/a2/Logo%E2%80%94pix_powered_by_Banco_Central_%28Brazil%2C_2020%29.svg)
- [Stripe icon](https://upload.wikimedia.org/wikipedia/commons/thumb/b/ba/Stripe_Logo%2C_revised_2016.svg/1200px-Stripe_Logo%2C_revised_2016.svg.png)
- [Google pay icon](https://lh3.googleusercontent.com/AwXaA9YMXyLXndgiTcAfqZUtHOL3s7UHuTI81Nl_y3wOky8Jqq02pV6ta_vE75YOz-CkUi-Kuw_LSoPIekaTrEps0tnyJjmdA83mWTk)

"PIX" is a Brazilian instant payment method powered by Banco Central, and I would love for it to be added, as I think the icons are very beautiful.