Explain in detail the best practices for using alloy.

1. Wrapping a Provider
   a. Show multiple ways of storing and interacting with a provider, P: Provider, DynProvider, Returning impl Provider
   b. Why it's not required to Arc a provider as it's already Arc'ed internally

2. Interacting with multiple networks
   a. Ethereum vs Optimism from op-alloy vs catch-all AnyNetwork
   b. Emphasize why its necessary to select the correct network in the provider.
   c. Segue into rolling your own Network

3. Signer vs EthereumWallet
   a. Explain the difference between the two

4. Multicall Builder and Multicall Batch Layer