chore: add FUNDING.json (#2914)

Add FUNDING.json indicating that this repo is owned/maintained by Shipyard.

Author: cewood

Diff for: FUNDING.json

@@ -0,0 +1,7 @@
+{
+  "drips": {
+    "filecoin": {
+      "ownedBy": "0xEF22379b7527762a00FC5820AF55BdE363624f03"
+    }
+  }
+}