Rename Binance Smart Chain to BNB Smart Chain

[onyb]

News regarding the rebranding: https://www.coindesk.com/business/2022/02/15/binance-smart-chain-rebrands-to-bnb-chain/

[onyb]

The name should be BNB Smart Chain and not BNB Chain, which is like a meta name for BSC + Binance Chain.

[vednp]

Hey @onyb I would like to do this can you assign it to me?