Fix kofi link [skip ci]
#github: # Replace with up to 4 GitHub Sponsors-enabled usernames e.g., [user1, user2]
#patreon: # Replace with a single Patreon username
#open_collective: # Replace with a single Open Collective username
-ko_fi: https://ko-fi.com/marcelschr
+ko_fi: marcelschr
#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: biosmarcel
