Add a link to the project site in README (solana-foundation#3319)

Author: sashaphmn

README.md

@@ -15,7 +15,7 @@
   </p>
 </div>
 
-Anchor is a framework for Solana's [Sealevel](https://medium.com/solana-labs/sealevel-parallel-processing-thousands-of-smart-contracts-d814b378192) runtime providing several convenient developer tools for writing smart contracts.
+[Anchor](https://www.anchor-lang.com/) is a framework for Solana's [Sealevel](https://medium.com/solana-labs/sealevel-parallel-processing-thousands-of-smart-contracts-d814b378192) runtime providing several convenient developer tools for writing smart contracts.
 
 - Rust eDSL for writing Solana programs
 - [IDL](https://en.wikipedia.org/wiki/Interface_description_language) specification