Merge pull request #11870 from aseoconnor/patch-4

Update Block Explorer List to include Ethernow .md

Author: corwintines

public/content/developers/docs/data-and-analytics/block-explorers/index.md

@@ -25,6 +25,7 @@ You should understand the basic concepts of Ethereum so you can make sense of th
 - [Sirato](https://www.web3labs.com/sirato)
 - [EthVM](https://www.ethvm.com/)
 - [DexGuru Block Explorer](https://ethereum.dex.guru/)
+- [Ethernow](https://www.ethernow.xyz/)
 
 ## Data {#data}
 
@@ -237,6 +238,7 @@ The consensus layer top-level data includes the following:
 - [Etherchain](https://www.etherchain.org/) - a block explorer for the Ethereum Mainnet
 - [Ethplorer](https://ethplorer.io/) - a block explorer with a focus on tokens for the Ethereum Mainnet and the Kovan testnet
 - [Rantom](https://rantom.app/) - A user-friendly open-source DeFi & NFT transaction viewer for detailed insights
+- [Ethernow](https://www.ethernow.xyz/) - a real-time transaction explorer that enables you to see the Ethereum Mainnet pre-chain layer
 
 ## Further reading {#further-reading}