Networks: custom networks (#111)

docs/pages/features/networks.mdx

@@ -1,3 +1,5 @@
+import { Callout } from "vocs/components";
+
 # Networks
 
 ## Mainnet Networks
@@ -38,12 +40,14 @@ Users have the same Smart Wallet address across supported networks.
 
 ## Adding Network Support
 
-To add a network, it will require the Smart Wallet team to prioritize it.
+<Callout type="warning">
+  To add a network, it will require the Smart Wallet team to prioritize it. There is no support for custom networks or [EIP-3085](https://eips.ethereum.org/EIPS/eip-3085) (wallet_addEthereumChain). Users cannot add custom networks to Smart Wallet. Only officially supported networks listed above can be used.
+</Callout>
 
 For a network to be supported, it needs:
 
 - [Safe Singleton Factory](https://github.com/safe-global/safe-singleton-factory?tab=readme-ov-file#how-to-get-the-singleton-deployed-to-your-network) (CREATE2 deployer) deployed at `0x914d7Fec6aaC8cd542e72Bca78B30650d45643d7`
 - [ERC-4337 Entrypoint v0.6](https://github.com/eth-infinitism/account-abstraction/releases/tag/v0.6.0) deployed at `0x5FF137D4b0FDCD49DcA30c7CF57E578a026d2789` 
 - [Smart Wallet Factory](https://github.com/coinbase/smart-wallet/tree/main?tab=readme-ov-file#deployments) deployed at `0x0BA5ED0c6AA8c49038F819E587E2633c4A9F428a`
 - ERC-4337 bundler meeting Coinbase's standards (availability, latency, security)
-- Integration work from the Smart Wallet team
+- Integration work from the Smart Wallet team