Add high-level methods for wallet

[LimpidCrypto]

• [ ] generate_faucet_wallet
  1. Generates a random wallet and funds it with some amount of XRP (usually 1000 XRP).

2. The function uses the destination field to tell what account to fund.

fields	type	explanation
client	WebsocketClient/AsyncWebsocketClient	A websocket client object.
wallet	Option<Wallet>	A wallet object to fund.
custom_faucet_host	Option<&str>	A custom faucet network to use.

Sources:

• https://xrpl.org/xrp-testnet-faucet.html
• https://github.com/XRPLF/xrpl-py/blob/master/xrpl/asyncio/wallet/wallet_generation.py
• https://github.com/XRPLF/xrpl.js/blob/main/packages/xrpl/src/Wallet/fundWallet.ts