chore(FUNDING): add.

Author: sciborrudnicki

.github/FUNDING.yml

@@ -0,0 +1,15 @@
+# These are supported funding model platforms
+
+github: [angular-package] # Replace with up to 4 GitHub Sponsors-enabled usernames e.g., [user1, user2]
+patreon: angularpackage # 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
+custom: [
+  'https://checkout.revolut.com/pay/048b10a3-0e10-42c8-a917-e3e9cb4c8e29',
+  'https://donate.stripe.com/dR614hfDZcJE3wAcMM'
+] # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2']