docs(release/0.7.0): update readme

Author: dwiekawki

README.md

@@ -18,6 +18,7 @@ One of our goals is to integrate Beerus into web-based wallets, enabling users t
 
 We post development updates on the [Telegram channel](https://t.me/BeerusStarknet)
 
+* 2025-JAN-21: Switch to L2 network (instead of L1) and release [v0.7.0](https://github.com/eigerco/beerus/releases/tag/v0.7.0).
 * 2024-AUG-28: Migrate to the [Starknet v0.7.1 OpenRpc spec](https://github.com/starkware-libs/starknet-specs/tree/v0.7.1).
 * 2024-JUN-18: "Beerus Reborn": brand new Beerus with RPC Codegen, Stateless Execution, State Proof Verification, release [v0.5.0](https://github.com/eigerco/beerus/releases/tag/v0.5.0)
 * 2024-FEB-29: Migrate to the [Starknet v0.6.0 OpenRPC spec](https://github.com/starkware-libs/starknet-specs/tree/v0.6.0)