Update FUNDING.yml

.github/FUNDING.yml

@@ -4,6 +4,7 @@ github: # Replace with up to 4 GitHub Sponsors-enabled usernames e.g., [user1, u
 patreon: # Replace with a single Patreon username
 open_collective: # Replace with a single Open Collective username
 ko_fi: taximanli # Replace with a single Ko-fi username
+buy_me_a_coffee: taximanli # Replace with a single Buy Me a Coffee 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