Update README.md to reflect changes in script names and functionalities, including renaming PXE to wallet instances and adding a new script for block information retrieval.

Author: critesjosh

README.md

@@ -164,17 +164,19 @@ You can find a handful of scripts in the `./scripts` folder.
 - `./scripts/deploy_account.ts` is an example of how to deploy a schnorr account.
 - `./scripts/deploy_contract.ts` is an example of how to deploy a contract.
 - `./scripts/fees.ts` is an example of how to pay for a contract deployment using various fee payment methods.
-- `./scripts/multiple_pxe.ts` is an example of how to deploy a contract from one PXE instance and interact with it from another.
+- `./scripts/multiple_wallet.ts` is an example of how to deploy a contract from one wallet instance and interact with it from another.
 - `./scripts/profile_deploy.ts` shows how to profile a transaction and print the results.
 - `./scripts/interaction_existing_contract.ts` demonstrates how to interact with an already deployed voting contract, including casting votes and checking vote counts.
+- `./scripts/get_block.ts` is an example of how to retrieve and display block information from the Aztec node.
 
 ### Utility Functions
 
 The `./src/utils/` folder contains utility functions:
 
 - `./src/utils/create_account_from_env.ts` provides functions to create Schnorr accounts from environment variables (SECRET, SIGNING_KEY, and SALT), useful for account management across different environments.
-- `./src/utils/setup_pxe.ts` provides a function to set up and configure the Private Execution Environment (PXE) service with proper configuration based on the environment.
+- `./src/utils/setup_wallet.ts` provides a function to set up and configure the TestWallet with proper configuration based on the environment.
 - `./src/utils/deploy_account.ts` provides a function to deploy Schnorr accounts to the network with sponsored fee payment, including key generation and deployment verification.
+- `./src/utils/sponsored_fpc.ts` provides functions to deploy and manage the SponsoredFPC (Fee Payment Contract) for handling sponsored transaction fees.
 - `./config/config.ts` provides environment-aware configuration loading, automatically selecting the correct JSON config file based on the `ENV` variable.
 
 ## ❗ **Error Resolution**