Migrate website to Docusaurus

https://docusaurus.io/

docs/docs/donate.md

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+---
+slug: /donate/
+sidebar_position: 8
+---
+
+# Donate
+
+If you find this project useful, you can consider donating by using one of the
+channels listed below.
+
+This is just a way of saying "thank you", it won't give you any benefits like
+higher priority on issues or something similar.
+
+## Open Collective
+
+Task is on [Open Collective](https://opencollective.com/task) and you have
+these options to donate:
+
+- [$2 per month](https://opencollective.com/task/contribute/backer-4034/checkout)
+- [$5 per month](https://opencollective.com/task/contribute/supporter-8404/checkout)
+- [$20 per month](https://opencollective.com/task/contribute/sponsor-4035/checkout)
+- [$50 per month](https://opencollective.com/task/contribute/sponsor-28775/checkout)
+- [Custom value - One-time donation option supported](https://opencollective.com/task/donate)
+
+## PayPal
+
+- [Any value - One-time donation](https://www.paypal.com/cgi-bin/webscr?cmd=_donations&business=GSVDU63RKG45A&currency_code=USD&source=url)
+
+## PIX (Brazil only)
+
+If you're Brazilian, you can donate any value by
+[using this QR Code](/img/pix.png).