Added bug bounty to README

README.md

@@ -84,6 +84,13 @@ The following are the security procedures historically applied to Aave v3.X vers
   - An internal review by [SterMi](https://twitter.com/stermi) on the virtual accounting feature was conducted on an initial phase of the codebase.
   - Additionally, Certora properties have been improved over time since the Aave v3 release. More details [HERE](./certora/README.md).
 
+<br>
+
+### Bug bounty
+
+This repository will be subjected to [this bug bounty](https://immunefi.com/bounty/aave/) once the Aave Governance upgrades de smart contracts in the applicable production instances.
+
+
 <br>
 
 ## License