"Validator" instead of "Miner" in some images #100
Description
Hey,
there are some older images showing the word "Miner".
Wouldnt be "Validator" a better option since Ethereum switched from PoW to PoS?
https://github.com/LFDT-web3j/web3j-docs/blob/main/docs/img/transaction_process.png
https://github.com/LFDT-web3j/web3j-docs/blob/main/docs/img/web3j_network.png
https://github.com/LFDT-web3j/web3j-docs/blob/main/docs/img/web3j_transaction.png
