Create funding.json

This is a step to verify ownership to apply for OP Retro Funding rounds.

Author: Uttam-Singhh

funding.json

@@ -0,0 +1,5 @@
+{
+  "opRetro": {
+    "projectId": "0x3611884b870e964a1c755d8101ccbde32ddb434d240dbef5116b083734068481"
+  }
+}