[pow_memorize]: Registering Wallets with PoW

The pow_memorize command is essential for users needing to register their wallet with a Brain through a computational task (Proof of Work):

$ basedcli brains pow_memorize
Enter Brain ID [0/3] (0): 3

Following through with this process firmly associates your wallet with the Brain, signaling your commitment to contributing computational power. You'll receive periodic updates indicating the registration's progress until completion.