💸 Add Giveth Link

---------

Co-authored-by: Griff Green <saveoursonics@gmail.com>
Signed-off-by: Pascal Marco Caversaccio <pascal.caversaccio@hotmail.ch>

Author: pcaversaccio

.github/FUNDING.yml

@@ -1 +1,5 @@
-custom: https://etherscan.io/address/0xe9Fa0c8B5d7F79DeC36D3F448B1Ac4cEdedE4e69
+custom:
+  [
+    https://etherscan.io/address/0xe9Fa0c8B5d7F79DeC36D3F448B1Ac4cEdedE4e69,
+    https://giveth.io/project/safe-multisig-transaction-hashes,
+  ]