chore(docs): Update readme docusaurus version

docs/README.md

@@ -1,6 +1,6 @@
 # Website
 
-This website is built using [Docusaurus 2](https://docusaurus.io/), a modern static website generator.
+This website is built using [Docusaurus 3](https://docusaurus.io/), a modern static website generator.
 
 ### Installation