Update FUNDING.yml

.github/FUNDING.yml

@@ -3,7 +3,7 @@
 github: builder555 # 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: # Replace with a single Ko-fi username
+ko_fi: builder555 # 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