Update readme

README.md

@@ -1,5 +1,19 @@
+# Blocknative NFT Watch Example/Boilerplate
+
+## Usage 
+
 This example uses [Blocknative's SDK](https://github.com/blocknative/sdk) to watch the Ethereum mempool looking for the transaction activating the Dotdotdots(NFT) Smart Contract minting.
-`npm install` then `node index.js`
+Replace or add an ABI of the desired contract to watch
+
+## Installation and Startup
+
+Head to [Blocknative](https://www.blocknative.com) and setup an account to get an API Key - FREE! for up to 1000 events/day
+
+`npm install`
+
+`node index.js`
+
+## Documentation
 This plays on the article from Pawel Urbanek - [Hunting for Rare NFTs in the Ethereum Dark Forest](https://pawelurbanek.com/ethereum-mempool-monitoring)
 Please checkout all the awesome products from [Blocknative](https://www.blocknative.com)
 [Blocknative Docs](https://docs.blocknative.com/)