Upd: FUNDING.md

Author: ollm

FUNDING.md

@@ -3,8 +3,27 @@
 With your support you help to continue the maintenance and development of OpenComic.
 
 - [GitHub Sponsors](https://github.com/sponsors/ollm/)
+- [Open Collective](https://opencollective.com/opencomic)
 - [PayPal](https://paypal.me/ollm97)
 
+## Backers
+
+<a href="https://opencollective.com/opencomic#support">
+	<img src="https://opencollective.com/opencomic/tiers/backers.svg?width=830"></a>
+</a>
+
 ## Sponsors
 
+<a href="https://opencollective.com/opencomic#support">
+	<img src="https://opencollective.com/opencomic/tiers/sponsors.svg?width=830"></a>
+</a>
+
+## Mega Sponsors
+
+<a href="https://opencollective.com/opencomic#support">
+	<img src="https://opencollective.com/opencomic/tiers/sponsor.svg?width=830"></a>
+</a>
+
+## GitHub Sponsors
+
 <!-- sponsors --><!-- sponsors -->