Update FUNDING.yml

Author: 6hundred9

.github/FUNDING.yml

@@ -11,5 +11,5 @@ issuehunt: # Replace with a single IssueHunt 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: # Replace with a single Buy Me a Coffee username
-thanks_dev:  # Replace with a single thanks.dev username
+thanks_dev: 6hundred9 # Replace with a single thanks.dev username
 custom: # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2']