Note the rename in the root README (#159)

Author: steveluscher

README.md

@@ -14,7 +14,9 @@
 This is the JavaScript SDK for building Solana apps for Node, web, and React Native.
 
 > [!NOTE]
-> The code for the 1.x line of this library can be found [here](https://github.com/solana-labs/solana-web3.js/tree/maintenance/v1.x) and the documentation [here](https://solana-labs.github.io/solana-web3.js/).
+> Did you expect to find `@solana/web3.js` here? You're in the right place! We have renamed the 2.x line of `@solana/web3.js` to `@solana/kit`.
+>
+> The code for the 1.x line of `@solana/web3.js` can be found [here](https://github.com/solana-labs/solana-web3.js/tree/maintenance/v1.x) and the documentation [here](https://solana-labs.github.io/solana-web3.js/).
 
 # Installation