Add donation link to README and FUNDING.yml (#2447)

.github/FUNDING.yml

@@ -1,12 +1 @@
-# These are supported funding model platforms
-
-github: # Replace with up to 4 GitHub Sponsors-enabled usernames e.g., [user1, user2]
-patreon: #GeyserMC # Disabled currently
-open_collective: # Replace with a single Open Collective username
-ko_fi: # Replace with a single Ko-fi username
-tidelift: # Replace with a single Tidelift platform-name/package-name e.g., npm/babel
-community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
-liberapay: # Replace with a single Liberapay username
-issuehunt: # Replace with a single IssueHunt username
-otechie: # Replace with a single Otechie username
-custom: # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2']
+open_collective: geysermc

README.md

@@ -30,7 +30,7 @@ Take a look [here](https://github.com/GeyserMC/Geyser/wiki/Setup) for how to set
 - Docs: https://github.com/GeyserMC/Geyser/wiki
 - Download: https://ci.geysermc.org
 - Discord: https://discord.gg/geysermc
-- ~~Donate: https://patreon.com/GeyserMC~~ Currently disabled.
+- Donate: https://opencollective.com/geysermc
 - Test Server: `test.geysermc.org` port `25565` for Java and `19132` for Bedrock
 
 ## What's Left to be Added/Fixed