Update FUNDING.yml

Author: EnderIce2

.github/FUNDING.yml

@@ -3,10 +3,13 @@
 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: EnderIce2 # Replace with a single Ko-fi username
+ko_fi: enderice2 # 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
+liberapay: enderice2 # Replace with a single Liberapay username
 issuehunt: # Replace with a single IssueHunt username
-otechie: # Replace with a single Otechie username
+lfx_crowdfunding: # Replace with a single LFX Crowdfunding project-name e.g., cloud-foundry
+polar: # Replace with a single Polar username
+buy_me_a_coffee: enderice2 # Replace with a single Buy Me a Coffee username
+thanks_dev: # Replace with a single thanks.dev username
 custom: # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2']