Added a new resource (#1802)

* Added a new resource

This introduction to Ethereum is quite simple and easier for beginners to grasp.

* Update content/roadmaps/112-blockchain/content/101-blockchain-general-knowledge/109-blockchains/102-evm-based/ethereum.md

Co-authored-by: Kamran Ahmed <kamranahmed.se@gmail.com>

content/roadmaps/112-blockchain/content/101-blockchain-general-knowledge/109-blockchains/102-evm-based/ethereum.md

@@ -7,3 +7,4 @@ The Ethereum platform launched in 2015, and it’s now the second largest form o
 <ResourceGroupTitle>Free Content</ResourceGroupTitle>
 <BadgeLink colorScheme='yellow' badgeText='Read' href='https://ethereum.org/en/whitepaper/'>Ethereum whitepaper</BadgeLink>
 <BadgeLink colorScheme='yellow' badgeText='Read' href='https://ethereum.org/en/developers/docs/intro-to-ethereum/'>Intro to Ethereum</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://bitsonblocks.net/2016/10/02/gentle-introduction-ethereum/'>A gentle introduction to Ethereum</BadgeLink>