Added sponsor link

.github/FUNDING.yml

@@ -0,0 +1,17 @@
+# These are supported funding model platforms
+
+# Replace with up to 4 GitHub Sponsors-enabled usernames e.g., [user1, user2]
+github: [budtmo]
+
+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
+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
+issuehunt: # Replace with a single IssueHunt username
+otechie: # Replace with a single Otechie username
+
+# Bitcoin (BTC)
+custom:
+- "paypal.me/budtmo"