README: add header

README.md

@@ -1,4 +1,6 @@
 ## Ambire Wallet
+![wallet repo header](https://github.com/user-attachments/assets/36749d74-3ca0-4ecc-af43-cd2970e2a9fd)
+
 
 ### About
 Ambire Wallet is a self-custodial crypto wallet designed with power and ease of use in mind. Unlike most crypto wallets, Ambire focuses on user experience and human-friendliness, while not compromising on features. Ambire is unopinionated, it can be connected to any dApp and it supports most of the popular EVM networks. Ambire is also a Web3 superapp: you can swap, lend, borrow, perform cross-chain transfers, deposit FIAT, all without the app.
@@ -512,4 +514,4 @@ Those contracts (except Ethereum-specific WALLET, xWALLET and SupplyController)
 - Changed the RPCs endpoints to Ambire RPC proxy
 
 ### v0.7.8
-- Scroll Chain support added.
+- Scroll Chain support added.